Benthos can be all of the following except ________.
A. sessile
B. autotrophic
C. motile
D. heterotrophic
E. holoplanktonic
Answer: E
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Glaciers were abundant during the Precambrian. Indicate whether the statement is true or false
Beach mismanagement in New Jersey began in the mid-1880s when a(n) _______________ was built along more than half of the shoreline
Fill in the blank with correct word.
Why do scientists think that lithosphere has to be destroyed somewhere on or in the earth?
A) Lithosphere is created at divergent boundaries and the earth is not getting any larger. B) The earth is getting smaller as the new oceanic crust cools and contracts. C) The moon is moving away from the earth and this would not happen if the earth had more lithosphere to increase its mass. D) There is not enough lithosphere on the earth to account for what has been produced in the last 200 million years.
In a given area where you have little knowledge of the local geology (rocks types, fossils, etc.), what type of unconformity would be the most difficult to recognize in an exposed sequence of rocks? Why?
What will be an ideal response?