What layer is permanently devoid of light?
a. Photic zone
b. Euphotic zone
c. Disphotic zone
d. Aphotic zone
ANS: D
The aphotic zone receives no sunlight. It extends from below the photic zone to the seabed. Animals
have developed other means of getting nutrients without the ready availability of photosynthetic
organisms. Information can be found in the section Marine Life Success Depends upon Physical and
Biological Environmental Factors
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What will be an ideal response?
The development or strengthening of a middle latitude storm system is called frontolosys
a. true b. false
The diameter of a typical raindrop is about ________ than the diameter of a typical cloud drop
a. 10 times larger b. 10 times smaller c. 100 times larger d. 100 times smaller
Which of the following is most likely a major component of open-ocean sediments at depths shallower than the CCD?
A. Calcareous ooze B. Cosmogenous materials C. Lithogenous sediments D. Hydrogenous sediments E. Siliceous ooze