Under its broad sky, a prairie might look empty. But actually, it is filled with many different living things.
Each living thing plays a part in the survival of others. And each living thing has diverse structures, both outside and inside its body, that help it to survive in this dense ecosystem.
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Watch the slideshow of images in the video above. Then draw on what you already know to answer the questions below. Click Save once you have entered your responses. These images were captured in 2018 by Chris Helzer ["Chris Helzer/The Nature Conservancy"] as he studied the plants and insects found in just one square meter of prairie. Chris spent an entire year observing the plants and animals living in just that tiny space, he observed 113 different species of plants and animals.