蝴蝶的生长过程(外国实施计划范例)
蝴蝶的生长过程英语作文
蝴蝶的生长过程英语作文The Growth Process of ButterfliesButterflies, beautiful and elegant creatures, undergo a remarkable transformation from caterpillar to adult. This metamorphosis, known as the butterfly lifecycle, is a fascinating journey of growth and change.It all begins with the egg. The female butterfly lays her eggs on a suitable plant, often one that provides nourishment for the caterpillar stage. These eggs are tiny and usually have a protective coating to shield them from predators.Once hatched, the caterpillar emerges, a hungry and active larva. It feeds voraciously on the plant, growing rapidly as it accumulates energy for the next stage. Its skin, or exoskeleton, becomes too small as it grows, and it must molt, or shed its skin, several times before reaching its final larval stage.As the caterpillar nears the end of its larval stage, it enters a period of rest called the pupal stage. During this time, it encases itself in a protective chrysalis, where it undergoes internal changes that will transform it into an adult butterfly.After a period of dormancy, the adult butterfly emerges from the chrysalis, ready to take flight. Its wings are folded and weak at first, but soon unfold and harden, enabling it to fly. The adult butterfly feeds on nectar from flowers, mating, and laying eggs to continue the cycle.The butterfly lifecycle is a remarkable display of nature's wonders. It teaches us about growth, transformation, and the cycle of life. From a tiny egg to a beautiful adult, the butterfly's journey is a celebration of life's beauty and resilience.蝴蝶的生长过程蝴蝶，这种美丽而优雅的生物，从毛毛虫变为成虫的过程非常惊人。
蝴蝶的生长过程英文作文
The Growth Process of a ButterflyThe transformation of a butterfly from a humble egg to a 绚丽多彩creature that floats gracefully through the air is one of nature's most remarkable wonders. This meticulous and intricate process, which involves four distinct stages, is a testament to the resilience and beauty of nature.The journey begins with the deposition of a tiny, inconspicuous egg by the adult butterfly. This egg, often camouflaged to blend into its surroundings, is a shell that protects the developing embryo within. Inside this fragile casing, the first stirrings of life can be felt as the embryo begins its growth.After several days, depending on the species, the egg hatches, revealing a tiny larva, commonly known as a caterpillar. This hungry little creature is immediately on the lookout for food. Its primary task during this larval stage is to grow and consume, often voraciously, as it prepares for the next phase of its life cycle. The caterpillar molts several times, shedding its skin to accommodate its growing body, each time appearing slightly larger and more developed.As the caterpillar reaches the end of its larval stage, it enters a period of inactivity known as the pupal stage. This is acrucial time for the butterfly, as it undergoes a profound physical transformation. The caterpillar attaches itself to a branch or leaf and forms a protective cocoon around its body. Inside this cocoon, the larva undergoes a remarkable metamorphosis, its body breaking down and reforming into the structure of a butterfly.After several weeks, depending on the species, the butterfly emerges from its cocoon, a process known as eclosion. Its wings, initially crumpled and damp, slowly unfold and dry in the sun, revealing the brilliant colors and patterns that will allow it to blend into its new environment or attract a mate. The butterfly's body also undergoes changes, its legs and antennae becoming more distinct, and its digestive system adapting to a new diet of nectar.Once its wings are fully dry, the butterfly is ready to take flight. Its maiden voyage is often tentative and cautious, but with each passing moment, the butterfly becomes more confident in its newfound ability to soar through the air. It explores its surroundings, feasting on nectar from flowers and engaging in courtship dances with potential mates.The adult butterfly's life is relatively short, often lasting only a few weeks to a few months. During this time, it fulfills itsreproductive duties, laying eggs that will continue the cycle of life. As the butterfly ages, its wings may become worn and tattered, and its body may weaken. Eventually, it will find a quiet place to rest, its life cycle complete.The growth process of a butterfly is not only a remarkable feat of nature but also a powerful symbol of transformation and resilience. From a helpless egg to a vibrant, free-flying adult, the butterfly's journey is a testament to the potential and beauty that lies within each of us. As we observe and appreciate this natural wonder, we are reminded of the power of nature and the infinity of life's cycles.。
英语作文蝴蝶的生长过程
英语作文蝴蝶的生长过程In the captivating world of nature, the journey of a butterfly from a mere egg to a绚丽多姿的成虫, is a testament to the wonders of life. This remarkable transformation, known as metamorphosis, involves three distinct stages: the egg, the larva, and the pupa, before the butterfly emerges as a beautiful adult.The journey begins with the female butterfly laying her eggs on a suitable surface, usually a leafy plant. These eggs are tiny, round, and colored to blend in with their surroundings, protecting them from predators. Each egg contains the potential for a new life, waiting to unfold.As the egg hatches, a larva, or caterpillar, emerges. This stage is characterized by rapid growth and development. The larva feeds voraciously on leaves, gaining energy and nutrients for its growth. Its body changes significantly as it grows, with distinct segments and a prominent head. The larva also goes through several molts, shedding its skin as it grows larger.As the larva matures, it enters the pupal stage. Atthis point, it attaches itself to a branch or leaf with a silken thread and enters a state of suspended animation. Inside its protective pupal case, the larva undergoes profound transformations, its internal organs rearranging and developing into the adult butterfly's form.Finally, the adult butterfly emerges from the pupal case, ready to take on a new life. Its wings are folded and wrinkled at first, but quickly unfold and inflate, revealing their beautiful patterns and colors. The adult butterfly is now ready to fly, to seek mates, and to lay more eggs, continuing the cycle of life.The metamorphosis of a butterfly is not just a biological process; it's a symbol of transformation and rebirth. Just as the butterfly emerges from its chrysalis, so can we emerge from our own challenges and difficulties, stronger and more beautiful than before. The butterfly's journey teaches us about the resilience of nature and the奇妙之处 of life's cycles.**蝴蝶的蜕变之旅**在迷人的自然世界中，蝴蝶从一枚简单的卵蜕变为绚丽多姿的成虫，这是生命奇迹的见证。
英语作文蝴蝶的生长过程
英语作文蝴蝶的生长过程英文回答：Butterflies are fascinating creatures that undergo a remarkable transformation known as metamorphosis. The life cycle of a butterfly consists of four main stages: egg,larva (caterpillar), pupa (chrysalis), and adult.The first stage in the life of a butterfly is the egg. The female butterfly lays tiny eggs on the leaves of plants. These eggs are usually attached to the underside of the leaves and are often camouflaged to protect them from predators. The eggs are typically round or oval in shapeand come in various colors, depending on the species.After a few days or weeks, the eggs hatch into larvae, also known as caterpillars. Caterpillars are voracious eaters and spend most of their time feeding on leaves. They grow rapidly during this stage and shed their skin several times to accommodate their increasing size. Caterpillarshave a soft body and are often brightly colored or patterned, which helps them blend in with their surroundings.As the caterpillar grows, it eventually enters the pupa stage. During this stage, the caterpillar undergoes a dramatic transformation inside a protective casing called a chrysalis. Inside the chrysalis, the caterpillar's body undergoes a process of reorganization. Tissues and organs break down and reform into the adult butterfly's body. This process can take anywhere from a few days to several weeks, depending on the species.Finally, the adult butterfly emerges from the chrysalis. The newly emerged butterfly has wet and crumpled wings, but it quickly pumps fluid into its wings to expand and straighten them. Once its wings are fully developed and dry, the butterfly is ready to take flight. Adult butterflies have vibrant colors and intricate patterns on their wings, which serve various purposes such as camouflage and attracting mates.中文回答：蝴蝶是一种迷人的生物，经历了一次引人注目的变化过程，被称为变态。
简单描述蝴蝶的生长过程和特征英语作文
简单描述蝴蝶的生长过程和特征英语作文全文共3篇示例，供读者参考篇1The Marvelous Life of ButterfliesButterflies are one of the most captivating creatures on Earth. With their delicate wings adorned in vibrant colors and intricate patterns, they seem to defy gravity as they gracefully flit from flower to flower. But butterflies are more than just aesthetically pleasing insects – their life cycle is a fascinating example of the wonders of nature.The process begins with a humble egg, typically laid on the underside of a leaf. This is a strategic move by the mother butterfly, as the leaf will serve as a vital food source for her offspring once they hatch. After a few days, a tiny caterpillar, or larva, emerges from the egg.At this stage, the caterpillar's primary objective is to eat –and eat it does, voraciously consuming the leaves that surround it. This is a crucial period of growth, as the caterpillar must rapidly increase its mass, sometimes growing over 27,000 times its original weight! During this larval stage, the caterpillar willshed its skin, or molt, multiple times to accommodate its rapidly expanding body.As the caterpillar approaches the end of this growth phase, something extraordinary begins to occur. It will attach itself to a sturdy surface, such as a twig or branch, using a silken pad. Then, in an incredible transformation, the caterpillar will shed its skin one final time, revealing a hardened, protective case called a chrysalis or pupa.Within this chrysalis, the caterpillar undergoes an astounding metamorphosis. Its body essentially liquefies, with specialized groups of cells rebuilding it from the inside out into an entirely new form – that of a butterfly. This process, known as complete metamorphosis, is one of the most remarkable examples of transformation in the natural world.After several weeks or months, depending on the species, the chrysalis cracks open, and a fully-formed butterfly emerges. At first, its wings are crumpled and damp, but the butterfly will slowly pump fluids through its wing veins, slowly expanding them to their full, glorious span.Once its wings have dried and hardened, the butterfly takes to the air, beginning its final stage of life as a flying,nectar-sipping adult. Unlike the voracious caterpillar it once was,the butterfly's primary purpose is now reproduction. Using its long, coiled tongue called a proboscis, the butterfly will flit from flower to flower, sipping nectar and inadvertently pollinating plants in the process.When a male and female butterfly mate, the female will lay a new clutch of eggs, beginning the cycle anew. In some species, this process will repeat multiple times throughout the butterfly's relatively short adult lifespan, which can range from a week to several months.While the life cycle of a butterfly is undoubtedly captivating, these delicate creatures are also marvels of evolutionary adaptation. Their wings, composed of thousands of tiny scales, are not only beautiful but also offer vital functions. The patterns and colors serve as camouflage, warning signals to predators, or advertisements to potential mates.Many butterflies also exhibit incredible migratory behaviors, with some species traveling thousands of miles each year in search of suitable breeding grounds or overwintering sites. The monarch butterfly, for instance, undertakes an annualmulti-generational migration from Mexico to Canada and back, with no single butterfly completing the entire round trip.Sadly, despite their beauty and ecological importance as pollinators, many butterfly species are facing severe threats from habitat loss, pesticide use, and climate change. Their sensitivity to environmental disturbances makes them valuable indicator species, serving as proverbial canaries in the coal mine for the health of entire ecosystems.As I've learned about the incredible journey that butterflies undertake, from humble egg to ravenous caterpillar to magnificent winged adult, I've gained a profound appreciation for these remarkable insects. Their ability to undergo such a dramatic transformation, coupled with their vital role in pollination and their sheer aesthetic beauty, makes them truly special inhabitants of our world.I hope that by understanding and appreciating the complexity of a butterfly's life, we can be inspired to protect and conserve these incredible creatures and the habitats upon which they depend. For in doing so, we not only preserve the magic and wonder of butterflies but also safeguard the delicate balance of nature itself.篇2The Wonderful World of ButterfliesButterflies are one of the most amazing and beautiful creatures on our planet. There are over 20,000 different species found across the world, each with their own unique patterns, colors, and behaviors. As a student learning about these incredible insects, I have become fascinated by their life cycle and the incredible transformations they go through.The Life CycleA butterfly's life begins as a tiny egg laid on a leaf or stem by an adult female butterfly. After hatching from the egg, the butterfly enters the larva stage as a caterpillar or "caterpie" as my little sister calls them. The caterpillar's main job is to eat as much as possible to grow and store up energy for the next phase.Caterpillars are eating machines, consuming huge amounts of leaves and plant matter each day. In fact, they can increase their body mass over 1000 times during this stage! As the caterpillar keeps eating, it has to shed its exoskeleton several times, going through different "instar" stages before it is ready to pupate.When the caterpillar has eaten enough, it forms a protective chrysalis or "pupa" and hangs upside down from a twig or leaf. Within this chrysalis, one of the most miraculous transformations in nature takes place. The caterpillar quite literally digests itself,releasing enzymes to dissolve into a soupy liquid called insect "soup."Within this nutrient soup, incredible things start to happen. Cells begin to rapidly multiply and rearrange into the gorgeous butterfly that will emerge. New eyes, wings, legs and other butterfly body parts begin to take shape over a period of around 1-2 weeks. When the process is complete, the pupal case splits open and an adult butterfly climbs out, hangs upside down to pump fluid into its crumpled wings, and takes its first flight. This entire process from egg to adult is called "metamorphosis" and it is simply amazing to witness.Butterfly CharacteristicsOnce a butterfly emerges as a beautiful adult, it only has a few weeks left to live its life. A butterfly's main priorities are to mate and lay eggs to produce the next generation. Different species have incredible variations in size, shape, and colors to help attract mates. Some butterflies are brightly colored reds, yellows, and blues, while others are drab browns and grays with intricate patterns and shapes on their wings that help them camouflage and hide from predators.One thing all butterflies have in common is two pairs of large veined wings covered in tiny scales that give them their color.These scales overlap like shingles on a roof and actually consist of microscopic rows of dead cells containing pigments and air pockets. The scales and patterns are as unique as a human fingerprint to each butterfly species.Butterflies feed on nectar from flowering plants using a long tubular "proboscis" which acts like a straw to suck up the nectar. In return for this meal, the butterflies help pollinate the plants by spreading pollen as they move from flower to flower. This mutually beneficial relationship is a key part of many ecosystems.Butterfly Wings in MotionOne of the most fascinating aspects of butterflies is their ability to fly. Their large, lightweight wings combined with powerful muscles in their bodies create enough aerodynamic lift for them to become airborne with surprising speed and agility. Many species can fly for miles at speeds over 30 mph! The beating of their wings also allows them to quickly change direction and avoid predators.The patterns on a butterfly's wings are not just for looks either. Many butterflies use their wings for disguise, courtship, and communication through displays of rapidly opening and closing the wings. Some species even migrate long distanceseach year, navigating using the sun and Earth's magnetic field as guides, much like birds do.Appreciating Nature's WondersSpending time observing butterflies in my local park or botanical garden has made me appreciate the wonders of nature so much more. I am amazed that something that starts as a tiny speck of an egg can transform into such a complex creature with the ability to fly, migrate, and propagate new life each season. Butterflies bring beauty into the world through their delicate patterns and peaceful motions. Watching them flit from flower to flower is a reminder to slow down and take in the simple joys around us.While there is still so much to learn, studying butterflies and their incredible metamorphosis has taught me about the resilience of life, the importance of going through transformations, and the interconnectedness of species within ecosystems. I feel very fortunate to be able to observe and learn about these marvels of nature. The next time you see a butterfly lazily fluttering by, I encourage you to pause and appreciate the journey of radical change it went through to become the remarkable creature it is.篇3The Marvelous Life of ButterfliesButterflies are one of the most delightful and captivating creatures on our planet. Their vibrant colors, graceful flight patterns, and fascinating life cycle have long been a source of wonder and fascination for people of all ages. As a student passionate about nature, I find butterflies to be an endlessly intriguing subject of study.The journey of a butterfly begins with a tiny egg, often laid on the underside of a leaf or stem of a host plant. These eggs are incredibly small, sometimes no bigger than a pinhead, yet they contain the potential for an extraordinary transformation. After a short incubation period, ranging from a few days to a couple of weeks, the egg hatches, and a tiny caterpillar emerges.Caterpillars, or larvae, are the immature, worm-like stage of a butterfly's life cycle. These voracious eaters are equipped with powerful jaws and an insatiable appetite for the leaves of their host plant. As they feed, caterpillars grow rapidly, shedding their skin multiple times to accommodate their increasing size. This process, known as molting, is a crucial step in their development.One of the most remarkable aspects of caterpillars is their ability to camouflage themselves, blending seamlessly with their surroundings. Some species mimic twigs or bird droppings, while others sport intricate patterns and colors that make them virtually indistinguishable from the leaves they consume. This camouflage serves as a defense mechanism, protecting them from predators and ensuring their survival.After several molts and a considerable amount of feeding, the caterpillar reaches its final larval stage. At this point, it enters a phase called pupation, where it undergoes an extraordinary metamorphosis. The caterpillar attaches itself to a secure surface, often a branch or stem, and forms a protective casing around itself known as a chrysalis or pupa.Inside this seemingly lifeless shell, a miraculous transformation takes place. The caterpillar's body breaks down into a soupy mixture of cells, which then reorganize themselves into the intricate structures of a butterfly. This process, called metamorphosis, is one of the most remarkable examples of biological transformation in the natural world.After a period that can range from a few weeks to several months, depending on the species and environmental conditions, the chrysalis splits open, and a newly emerged butterfly unfurlsits wings. At this stage, the butterfly is wet and vulnerable, and its wings are crumpled and unusable. However, within a few hours, the wings dry and expand, revealing their full splendor.The beauty of a butterfly's wings is truly breathtaking. They are covered in thousands of tiny scales that overlap like shingles on a roof. These scales are responsible for the stunning array of colors and patterns that adorn a butterfly's wings. The intricate designs serve various purposes, from camouflage and mimicry to attracting mates and warning predators of their toxicity.Butterflies are not only visually captivating but also highly skilled flyers. Their wings are composed of a lightweight yet sturdy structure of veins and membranes, allowing them to perform intricate aerial maneuvers with remarkable agility and grace. Some species can even migrate incredible distances, spanning thousands of miles, in search of suitable breeding grounds or overwintering sites.The life cycle of a butterfly is truly a marvel of nature. From the tiny egg to the hungry caterpillar, the transformative chrysalis, and the stunning adult butterfly, each stage is a testament to the incredible diversity and adaptability of life on our planet.However, butterflies face numerous threats, including habitat loss, pesticide use, and climate change. As students and stewards of the environment, it is our responsibility to understand and protect these delicate creatures. By preserving their habitats, reducing our reliance on harmful chemicals, and embracing sustainable practices, we can ensure that future generations can continue to marvel at the beauty and wonder of butterflies.In conclusion, the life cycle of butterflies is a remarkable journey filled with transformation, adaptation, and breathtaking beauty. From the humble caterpillar to the magnificent winged creature, these insects remind us of the incredible diversity and resilience of life on Earth. As students and advocates for the natural world, it is our duty to appreciate, understand, and protect these fascinating creatures, ensuring that their marvelous journey continues for generations to come.。
蝴蝶的生长周期英语作文
蝴蝶的生长周期英语作文Butterflies have a fascinating life cycle that is truly remarkable. 蝴蝶有一个令人着迷的生命周期，真是令人惊叹。
From the moment they hatch from their eggs, butterflies go through various stages of growth and development. 从它们从卵中孵化出来的那一刻起，蝴蝶就经历了各种不同的成长和发育阶段。
The first stage is the egg stage, where a female butterfly lays her eggs on a host plant. 第一阶段是卵的阶段，雌蝶会在寄主植物上产卵。
After a few days, the eggs hatch and out come tiny caterpillars that voraciously feed on the leaves of the host plant. 几天后，卵孵化出来，小毛虫会疯狂地吃寄主植物的叶子。
During this caterpillar stage, the larvae grow rapidly by shedding their skin multiple times to accommodate their increasing size. 在毛虫的阶段，幼虫会通过多次蜕皮来快速增长，以适应它们日益增大的体积。
Once the caterpillar has grown to its full size and has stored enough nutrients, it enters the pupa stage where it undergoes metamorphosis. 一旦毛虫成长到体积最大，并且储存了足够的营养，它就会进入蛹的阶段进行变态。
蝴蝶成长四个过程英语日记作文
蝴蝶成长四个过程英语日记作文As a butterfly, my growth process is divided into four main stages: egg, larva, pupa, and adult. Each stage is unique and essential for my transformation from a tiny egg to a beautiful butterfly.The first stage of my growth is the egg stage. This is where my life begins, as my mother butterfly lays her eggs on a leaf or stem of a plant. The eggs are usually very small and round, and they can be laid individually or in clusters. The eggs are protected by a hard outer shell, which provides a safe environment for me to develop and grow. During this stage, I am not yet a butterfly, but the potential for my future transformation is already present within the egg.After a few days, I hatch from the egg as a tiny larva, also known as a caterpillar. This is the second stage of my growth process. As a larva, I have a voracious appetite and spend most of my time eating and growing. I consume largeamounts of leaves and other plant materials to support my rapid growth. My body goes through several molts, shedding my outer skin to accommodate my increasing size. This stage is crucial for my development, as it provides the nutrients and energy I need to prepare for the next phase of my life cycle.Once I have grown to a certain size, I enter the third stage of my growth process, the pupa stage. During this stage, I undergo a remarkable transformation inside a protective casing called a chrysalis. Inside the chrysalis, my body undergoes a process of metamorphosis, where I completely reorganize my tissues and organs to prepare for my life as an adult butterfly. This stage is a period of profound change and growth, as I gradually develop the wings, antennae, and other features that are characteristic of butterflies.Finally, after a period of time, I emerge from the chrysalis as a fully developed adult butterfly. This is the fourth and final stage of my growth process. As an adult butterfly, I have completed my transformation and am readyto begin the next phase of my life. I have wings that allow me to fly, and I have the ability to reproduce and continue the cycle of life. I spend my days seeking nectar from flowers, mating, and laying eggs to start the process all over again.Overall, the four stages of my growth process are essential for my development from a tiny egg to a beautiful butterfly. Each stage has its own unique challenges and opportunities for growth, and they all play a crucial role in shaping me into the magnificent creature that I am. I am grateful for the experiences and transformations that I undergo during each stage, as they have allowed me to live a fulfilling and meaningful life as a butterfly.。
蝴蝶生长过程英语作文三年级
The Magical Journey of a ButterflyIn the wonderful world of nature, the life cycle of a butterfly is a fascinating phenomenon. Starting as a tiny egg, it goes through several transformations before finally emerging as a beautiful creature with wings of many colors. Let's explore this magical journey together.The journey begins when a female butterfly lays her eggs on a suitable plant. These eggs are very small and usually green or brown in color, helping them blend in with the surroundings and avoid predators. After a few days, the eggs hatch into tiny larvae, known as caterpillars.The caterpillars are hungry little creatures and feed voraciously on the leaves of the plant. As they grow, they molt several times, shedding their skin to accommodatetheir growing bodies. Each molt brings about changes in their appearance, making them bigger and stronger.After several weeks of feeding, the caterpillar is ready to enter the next stage of its life cycle. It finds a suitable place to attach itself and forms a chrysalis, a hard, protective casing. Inside this chrysalis, thecaterpillar undergoes a remarkable transformation. Its body breaks down into a liquid form and then重组， reshapesinto the body of a butterfly. This process, called metamorphosis, is truly amazing.After a few weeks inside the chrysalis, the butterflyis ready to emerge. It pushes its way out of the chrysalis and expands its wings, which are initially wrinkled and damp. As it warms up and dries its wings, they gradually unfold, revealing the beautiful patterns and colors that make each butterfly unique.The newly emerged butterfly is weak and needs to rest for a while before it can fly. Once it's ready, it takesits first flight, fluttering its wings and dancing in the air. The butterfly now begins its life as an adult, feeding on nectar from flowers and pollinating them as it goes.The adult butterfly lives for a few weeks to a few months, depending on the species. During this time, it mates and lays eggs, continuing the cycle of life. As the end of its life nears, the butterfly finds a suitable place to rest and eventually dies, leaving behind a beautiful legacy in the form of its eggs.The life cycle of a butterfly is a remarkable journey that teaches us about growth, transformation, and thebeauty of nature. From a tiny egg to a beautiful butterfly, this process is a testament to the wonders of creation and the magic of life.**蝴蝶生长的奇妙旅程**在自然界这个奇妙的世界里，蝴蝶的生命周期是一个令人着迷的现象。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
时间表
Two Months Before
两个月前
Submit purchase order for chick eggs and caterpillars
投寄鸡蛋或毛毛虫的订单
Determine location for obtaining tadpoles
确定可找到蝌蚪的地方
Call Fish and Game for speaker on frog species in our area
One Month Before
一个月前
Order chick eggs and Caterpillars
订购鸡蛋或毛毛虫
Determine location for obtaining tadpoles
确定可找到蝌蚪的地方
Send home to parents a unit summary and supply needs list
送给学生父母一个本项目的说明摘要和所需品清单
Solicit parent volunteers
征求父母自愿者
Sign up for computer lab, incubators, projector, and digital camera
确定计算机房，孵卵器，幻灯机和数码相机等设备
Locate homes or farms for chicks after the unit
找好放置小鸡的家或农场
2 Weeks Before
Check computer lab to be sure all software is available and working, and that file server is set up for our project
检查计算机设备，确定本项目所用软件有效，运行正常
Copy handouts: vocabulary, worksheets, planning sheets, etc.
复印传单：词汇表，工作表，计划等。
Check materials for each group:
检查各小组的材料：
Group 1. an incubator, thermometer, thermostat two dozen fertile chicken eggs
一组：孵卵器，温度计，自动调温器两打鸡蛋。
Group 2. a fish tank, pond water, tadpoles from local creek
二组：一个鱼缸，池水，及从当地小溪得到的小蝌蚪
Group 3. an enclosed clear container with air holes, caterpillars purchased from Insect Lore
三组：一个洁净有孔的容器，购买毛毛虫
A Life Science Journal for each group
每小组一本相关生命科学杂志
1 Week Before
Assemble and check supplies and incubation equipment
装配和检查孵卵器等设备
Purchase any missing supplies, if necessary
如果需要，购买所缺设备
Call parent volunteers
打电话联系志愿者
Call Fish and Game guest speaker
Check out books at library for classroom use
图书馆中查阅所需图书资料
1 Day Before
前一天
Check out digital camera and projector
检查数码相机和幻灯机
For Day 1
❑Set up T eacher-created power point presentation, The Circle of Life, to show to students.
由老师制作有关“生命循环圈”介绍的ppt，并向学生加以解说
For Day 2
❑Determine student groups: Chicks, Butterflies and Frogs.
给学生分组：小鸡，蝴蝶和青蛙。
For Days 3&4
❑Set out books on chicks, butterflies and frogs.
发送关于小鸡，蝴蝶和青蛙等知识的书刊
For Day 5
❑Handouts and paper for students diagrams of their animal’s classroom environment.
给学生发送在教室中制作他们的小动物生活环境的传单、图表等材料
❑Students journals for how they will design this environment.
给学生们设计小动物生活环境的书刊
If the necessary supplies are not readily available to the students in the classroom, have students build the environments on Monday of week 2.
对于一些必须的设备，如在教室里不易得到，可让学生们在第二个星期的星期一再构建环境的构建。
Week 2
Week 3
Week 4
Week 5
Week 6
After the Completion of the Unit。