The term "fecundity" refers to an organism's ________ while fertility is ________.

A. Physical ability to reproduce; the actual number of offspring produced
B. Physical ability to reproduce; the replacement level of reproduction
C. Replacement level of reproduction; the actual number of offspring produced
D. Actual number of offspring produced; the physical ability to reproduce
E. Average life span; the physical ability to reproduce


Answer: A

Environmental & Atmospheric Sciences

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The eutrophication that has taken place in Chesapeake Bay, the Gulf of Mexico, and other locations appears to be due to ________

A) weather alone, because it is only obvious in the summer B) pesticide use along the waterways C) excess nutrients from fertilizers D) global warming from human use of fossil fuels E) heavy metals dumped in the sewage

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Early atmospheric gases were emitted because of _______. Fill in the blank(s) with the appropriate word(s)

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At Barrow, Alaska (latitude 70°N), you would expect the prevailing wind to be ____

A) northerly B) easterly C) southerly D) westerly

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By volume, nitrogen is the most abundant gas in the modern homosphere

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences