Chapter 3 - Interactions in Ecosystems main content.

Chapter 3 - Interactions in Ecosystems




Unit B - Ecosystems

  • Chapter 3 - Interactions in Ecosystems

How do organisms interact?

Educator Materials 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... Article What is 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... Article Visiting Dzanga-Sangha   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... Educator Materials Web of Life In this group game, discover how all the players in an ecosystem depend on each other to survive. Educator Materials 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... 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... Article Darwin: Voyage of Discovery (SuperScience) Introduce younger students to Darwin's voyage on the HMS Beagle with this interview Niles Eldredge. Then challenge their ability... Interactive 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... Educator Materials Crazy Camouflage Unlike humans, some animals can instantly change the color or pattern of their skin. Take a hands-on look at how the masters of disguise... Video They Glow! Most of the deep sea is very dark, with little or no sunlight. But that doesn't mean marine animals are in the dark! Learn how these... Article Squamate Fun Facts Did you know that squamates have a third eye? Or that the Gila Monster and the Bearded Lizard are the only two known venomous lizards?... Educator Materials Science Explorations: Animals, Adaptation, and the Galápagos Islands Travel to the Galápagos Islands and follow in Charles Darwin’s footsteps with this interactive investigation. You’ll have the chance... Educator Materials Slowing the Flow All mammals—dogs, sea lions, and even you—have an adaptation for surviving in cold water. Take the plunge, and learn why the mammalian... Interactive Ocean Creature Feature To survive in the icy Pacific, a sea otter has about a million hairs in every square inch of its fur. Now, that's dense! Take a close... Article Scaly Surprises (Science World) Did you know that a snake's skin includes see-through scales that cover its eyes. Or that chameleons have sticky tongues to pull... Article Antarctic Adaptations Unlike human visitors, Antarctica's plants and animals don't require high-tech gear. How have these organisms adapted to thrive—not... Article Bees in the Ecosystem This 13-year-old from Ohio didn't have a great opinion of bees after one caused her to lose a ball game. That changed, though, when... Article 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... Article Plant/Arthropod Interactions To attract helpful arthropods and fend off harmful ones, plants use their important chemical and mechanical attributes.