Overview of aquatic systems

What will be an ideal response?


-oceans: 96.1%
-polar ice and groundwater: 3.7%
-surface freshwaters 8soil water, lakes, streams, rivers, etc.): 0.2%

Biology & Microbiology

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Use the concept of coevolution to explain the abundance of large mammals in Africa after the rise of

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You are out cycling and start to climb a hill. As you crest the hill, just before cycling down, what energy have you

stored? a. kinetic energy b. thermal energy c. chemical energy d. electrical energy e. potential energy

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Which of the following features is unique to the Class Aves?

a) hair b) notochord c) wings d) shelled eggs e) barbules

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Which gas is increasing in the atmosphere and threatening the world with the greenhouse effect?

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Biology & Microbiology