"Marine scientists explore the ocean floor, study undersea life, and protect ecosystems ... [This book] examines the history of this branch of science, what marine scientists do today, and what's next for the field"--Provided by publisher.
"All kinds of animals build . . . homes in or near the water. From beavers to coral, many animals have interesting ways of building. Find out why these . . . animals build and how they do it"--Provided by publisher.
Provides an introduction to water habitats, including oceans, coral reefs, shores, lakes, ponds, rivers, and swamps, and looks at some of the plants and animals that live in each environment.
Describes the complex communities of animal and plant life found in freshwater and marine ecosystems; presents a visit with a marine biologist, discussing the oyster population of the Chesapeake Bay; and includes a hands-on experiment on the effects of pollution on lakes and ponds.
Explores food chains in freshwater environments, discussing different producers, consumers, predators, and decomposers. Includes an enrichment activity, glossary, index, and access to online resources.
