Planktonic larval forms are an adaptation to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates
B) Drying out during low tide
C) Lack of space or attachment sites
D) Predators
E) Strong wave activity
C
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The United States government supports the development and export of film and television because
A) they are entertaining to watch. B) American films are responsible for 50% of total box office receipts. C) it exports American culture to other countries. D) they generate wealth and jobs for Americans.
Briefly describe the "out of Africa" and "multiregional" views to describe the transition from Homo
erectus to Homo sapiens. What will be an ideal response?
In folding or fracturing, ____
A)the stress is never tensional B)the strain is called elastic strain C)the strain will only affect layered rocks D)the rocks will recover their original shape and volume when the stress is removed E)the rocks do not recover their original shape or volume
Which negative ion forms the basis of the oxide minerals?
A) F- B) Cl- C) O22- D) S-