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Testing Your Knowledge
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1. How does the fact that the Earth is a sphere tilted on its axis influence the distribution of life?

2. Describe the zones of a(n):

  • a. lake
  • b. ocean
  • c. mangrove swamp
  • 3. What are the sources of energy in the various zones of the ocean?

    4. List adaptations that enable organisms to survive conditions in the following biomes:

  • a. tropical rain forest
  • b. tropical dry forest
  • c. savanna
  • d. temperate grassland
  • e. tundra
  • f. desert
  • g. taiga
  • 5. How can the tropical rain forest support diverse and abundant life with such poor soil?

    6. What is permafrost?

    7. How does photosynthetic activity differ in the zones of a lake?

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    1. Compare and contrast the challenges that alternating dry and wet conditions pose to organisms living in:

  • a. The intertidal zone.
  • b. A tropical savanna.
  • c. A river.
  • 2. Distinguish between vertical stratification and thermal stratification.

    3. What do fall and spring turnover and upwelling have in common? How do they differ?

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