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Chapter 3 - Relationships Among Living Things




Unit B - Where Plants and Animals Live

Chapter 3 - Relationships Among Living Things

Explore ecosystems and food webs. Learn about the interdependence among living thing in ecosystems.


Hands-on Activity

Make Your Own Marine Biology Stationery

Hide your notes in seaweed, send a deep-sea snapshot, or let an cockeyed squid deliver your message. Just add your name and address to these colorful stationery files.



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.


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.



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. 



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!



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.



What Do You Know About Marine Biology?

How much do you know about our watery world? Find out with this interactive quiz. Here's a hint to get you started: The greatest diversity of life on Earth is NOT found in your bathroom!



Welcome to the Dzanga-Sangha

Travel to the lush Dzanga-Sangha rainforest with BaAka. This excellent tour guide will show you the sights—and help you find the clues needed to play Connect the Dots.


Hands-on Activity

Feed the Birds

You can tell a lot about your ecosystem by the kinds of birds that live in it. Create a simple feeder, and see how many of your feathered neighbors come to dine there. 



Life in the City

Even the busiest of cities are buzzing with biodiversity. Take a virtual stroll through a city park for a close-up look at some of the inhabitants you otherwise might not notice.


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