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Chapter 5 - Interactions of Living Things

life_science

 

 

Unit B - Living Things and Their Environments

Chapter 5 - Interactions of Living Things

Play the Web of Life game to demonstrate how living things interact in their environments. Explore endangered species and what is being done to slow or stop their extinction.

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Activity

What Do You Know About Biodiversity?

Invasive species, endangered species, the Endangered Species Act—when it comes to biodiversity, is your knowledge thriving or close to extinct? Find out with this interactive quiz. 

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Story

What's the Big Idea About Biodiversity?

It's the differences in this world that make all the difference! Find out why biodiversity is so important to our planet—and what you can do to help protect it.

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Story

Saving Species

Take a world-wide tour of biodiversity. You'll meet mollusks in the reefs off the Bahamas, the aye-aye in the tropical forests of Madagascar, and the clever mimic-ant spider that lives in Australia.

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Story

Going Going Gone

Today, species are becoming extinct—disappearing from our planet—at a faster rate than ever before. What's behind this increase, and what can be done to slow or stop it? 

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Story

It Takes All Kinds to Make a World

The ocean's one diverse place—with alga so tiny that 10 million can fit in a single teaspoon to whales longer than three school buses. Take the surfboard challenge, and ride the waves of biodiversity!

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Interactive

Work the System!

Did you know that forests with leaves above the water can grow in the ocean? Grab the magical magnifying glass, and see how many different plants and animals you can find in this virtual mangrove swamp. 

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Hands-on Activity

Create a Coral Reef

Did you know that, at their core, coral reefs are the skeletons of thousands of dead coral? Make your own coral reef diorama—with pasta, Play-Doh™, pipe cleaners, pom-poms, and hair curlers.

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Hands-on Activity

Web of Life

Play the Web of Life game to discover how all the players in an ecosystem depend on each other to survive. As you play, you'll come up with the connections between different species and their environments.

wetlands

Young Naturalist Awards Essay

How Do Humans and Plants Interact in Tidal Wetlands?

How is cordgrass able to survive the high salinity of a marsh when other plants can't? An amazing adaptation that lets it secrete excess salt, as this ninth-grader from Virginia discovered.

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