Chapter 51 Outline

The Biosphere

The characteristics of freshwater and marine aquatic communities, and terrestrial biomes are topics covered in this chapter.

Chapter Outline

In this chapter outline, the learning objectives and the selected key terms are given for each major head in the chapter.

Aquatic Communities (p. 876)

1. Distinguish between freshwater communities and marine communities.

2. List and describe the life zones of a lake and the types of organisms that reside

in these zones.

3. Distinguish between coastal communities and the oceans.

4. Explain why coastal communities are more productive than communities in the

open ocean.

5. Describe the life zones of the ocean and the types of organisms that reside in

these zones.

Selected Key Terms: biosphere, biome, plankton, estuary, pelagic division,

benthic division

Terrestrial Biomes (p. 880)

6. Describe the characteristics of the treeless biomes: deserts, tundra, grasslands,

and scrubland.

7. Describe the characteristics of forests: taiga, temperate forests, and tropical

forests.

8. Relate the location of the various terrestrial biomes to latitude and altitude.

9. Contrast and explain the productivity of the various aquatic communities

and terrestrial biomes.

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