The skeletons of radiolarians contribute to biogenous sediment that is called:

a. diatomaceous ooze.
b. calcareous ooze.
c. manganese ooze.
d. siliceous ooze.
e. hydrogenous ooze.


D

Biology & Microbiology

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If the DNA code for a particular amino acid is AGT, then the anticodon on the tRNA would be _____

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Biology & Microbiology

True or false: The valence electrons of an atom are at the lowest energy level because their increased distance from the nucleus reduces their attraction to the atom's protons

A. true B. false

Biology & Microbiology

How is the lateral line of a fish similar to the ears of a human? (Check all that apply.)  

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Biology & Microbiology

Which scenario illustrates a selfish herd?

a. In most wolf packs, one dominant male breeds with one dominant female. b. Lions are social animals who cooperate in catching prey. c. When threatened by wolves, musk oxen stand back to back, presenting an imposing display of sharp horns. d. Chimpanzees learn by imitation in a group. e. A pair of breeding herring gulls will cannibalize the eggs and even the chicks of their neighbors.

Biology & Microbiology