Extinction is ________
A) proceeding more slowly now than at any other time
B) something that occurs only rarely
C) always caused by human disturbance
D) the loss of communities from the planet
E) a natural process
Answer: E
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A baboon is an example of a/an ________
a. Old World monkey b. New World monkey c. hominoid
Approximately 55% of the sunlight energy absorbed by diatoms is converted into energy for
carbohydrate chemical bonds. Indicate whether the statement is true or false.
Wind is a non-renewable resource shown to have adverse effects on human health
Indicate whether the statement is true or false
Layering in the ocean occurs because ________.
A. processes at depth add and subtract salt and heat B. surface processes form water layers of differing combinations of salinity and temperature C. atmospheric processes control conditions at the surface D. surface processes form water layers of differing combinations of salinity and temperature and atmospheric processes control conditions at the surface E. All of these choices are correct.