Nearly all of the oceans’ primary productivity occurs in the _____ zone
a. littoral
b. photic
c. pelagic
d. benthic
Answer: B
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Discuss how road building can lead to multiple levels of forest degradation.
What will be an ideal response?
Conical marine organisms that lived during the Cambrian and were the earliest builders of reef-like structures are
known as ____. a. protists b. cyanobacteria c. brachiopods d. sponges (porifera) e. archaeocyathids
What is the origin of most abyssal plain sediments?
a. Deep-ocean basalt b. Biological activity c. New crust development d. Erosion from the continent
From the perspective of the strands being synthesized, which of the following is true?
A) They are both synthesized in the 3' ? 5' direction. B) They are both synthesized in the 5' ? 3' direction. C) The leading strand is synthesized in the 3' ? 5' direction and the lagging strand is synthesized in the 5' ? 3' direction. D) The leading strand is synthesized in the 5' ? 3' direction and the lagging strand is seemingly synthesized in the 3' ? 5' direction.