Ecosystems & Invertebrates

Ecosystems & Invertebrates


Invertebrates comprise most of the species on earth and are often the most abundant animals in an ecosystem. Before you head outside to explore the ecosystems in your area and the invertebrates living in them, it’s important to learn more about both. Use the resources on your Outdoor Science student esheet and the Outdoor Science Lab for Kids book to help you answer the questions on this sheet.


Read page 109 in the book and use your esheet to watch the Ecosystems video. As you read the page and watch the video, think about answers to these questions. You will discuss them later with your class.

What is an ecosystem?


What does an ecosystem consist of?


What does "abiotic" mean? Provide a few examples of abiotic factors in an ecosystem.


What does "biotic" mean? Provide a few examples of biotic factors in an ecosystem.


Why are healthy ecosystems important?



Read page 35 in the book and use your esheet to read the first paragraph of the Encyclopedia of Life Invertebrate webpage.

What characterizes invertebrates?


How many (in percent) of the animal species we know today are invertebrates?


What animals are invertebrates?


Which of these invertebrates can you find on land? And which ones might live in your backyard?



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