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Chapter 3 - Exploring Ecosystems

life_science

 

 

Unit B - Ecosystems

  • Chapter 3 - Exploring Ecosystems

Where do plants and animals live and how do they depend on each other?

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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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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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Hands-on Activity

Make an Ecosystem Diorama

Now you can gaze at your favorite museum diorama anytime you want, night or day. Grab your crayons, and create a shoe-box replica of A Wading Bird Rookery, The Olympic Rain Forest, or A Giant Cactus Forest.

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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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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.

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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

Dive Into Worlds Within the Sea

Which squirmy little creatures does the spiny lobster eat? Can you spot the weird greenish glow on the belly of the cookie-cutter shark? Show off your good thinking with a game of good linking.

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Story

What's the Big Idea About Marine Biology?

How is the ocean like a layer cake? What cool and spooky creatures live there? And just how important is the ocean to humans? Dive deep into marine biology with this kid-friendly introduction.

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Young Naturalist Awards Essay

Oscawana: A Dying Lake?

2003 Young Naturalist Award-winning essay - Oscawana has all the symptoms of a dying lake. Join this seventh-grader from New York as she hunts for the culprits—and examines what can be done to restore the lake.

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Young Naturalist Awards Essay

Aspen: A Keystone Species

By keeping a nature journal, this 16-year-old from Colorado quickly saw how aspens support and sustain biodiversity. Learn more about the most widely distributed tree species in North America.

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