Considering the history of the Earth, would the water flow and precipitation patterns have been as they

are now? What will be an ideal response?


No, most dramatically there has been a movement of the continents over time. The position of the
continents could dramatically alter the water flow patterns, and therefore the precipitation patterns. In
addition, crustal plate interactions would have resulted in the creation of mountain ranges (and erosion
their slow decay), which would alter how far moisture-laden air could travel over the continents.

Biology & Microbiology

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The term used to describe the interrelationship between the living and non-living environments in an area is called a(n)

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What stimulates spermatogenesis?  

A.  Estradiol B.  FSH C.  LH D.  Testosterone E.  Progesterone

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Homologous chromosomes undergo synapsis during:a

anaphase I. b. prophase I. c. anaphase II. d. telophase II. e. prophase II.

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Amoeboid protozoans

A) may exist in the environment encased in a tough protective layer called a cyst. B) move via cilia. C) are always free-living. D) move via cilia and are always free-living. E) move via cilia, are always free-living and may exist in the environment encased in a tough protective layer called a cyst.

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