Chapter 1 - From Cells to Ecosystems main content.

Chapter 1 - From Cells to Ecosystems

life_science

 

 

Unit A - The World of Living Things

Chapter 1 - From Cells to Ecosystems

Discover more about how different organisms live. Read interviews with paleontologists and learn how they study extinct species.

Educator Materials Nature Explorations No matter what the weather or season, you can explore nature with these 11 challenges. See just how good your observation ski... 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 rep... Educator Materials Make Your Own Biodiversity Stationery Honor extinct animals, send a desert snapshot, or let an emperor scorpion deliver your message. Just add your name and addres... Article Going Going Gone Today, species are becoming extinct—disappearing from our planet—at a faster rate than ever before. What's behind this increa... Educator Materials Endangered Species Game Roll snake eyes, and you're on your way to survival. Land on the extinct box, though, and you're gone. Kaput. Finis. In this... Interactive Beyond T. rex Only a small fraction of the 400-plus known species of extinct dinosaurs have appeared on TV and movie screens. Meet some of... 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 m... Article Tree of Life Darwin | American Museum of Natural History Article 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 scho... Educator Materials Web of Life In this group game, discover how all the players in an ecosystem depend on each other to survive. As you play, you'll come up... Interactive 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... Interactive What Do You Know about Paleontology? How much do you know about the Age of Dinosaurs? Brush the dust and other sediment off your brain, and test your paleontology... Article What's the Big Idea About Paleontology? Learn about fossils, extremely rare—and valuable—records of the past. Educator Materials Spectrum of Habitats Did you know that the world's deserts keep expanding each year? Or that islands have the highest animal extinction rate—75 pe... Article 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... Article Saguaro Cactus: From Life to Death 2003 Young Naturalist Award-winning essay - Journey to the Sonoran Desert in southern Arizona with this seventh-grader for an...