Optimal foraging as a form of efficient behavior would be favored by

A. associative learning.
B. operant conditioning.
C. energy expended.
D. natural selection.
E. None of these choices are correct.


D. natural selection.

Biology & Microbiology

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Both Trichomonas and Giardia are parasitic protists in the group called

A) slime molds. B) alveolates. C) diatoms. D) excavates. E) euglenids.

Biology & Microbiology

How do the strands separate during PCR?

a. The primers separate the strands during the annealing step. b. The DNA polymerase breaks the hydrogen bonds between the two strands. c. The cycling of the temperatures breaks the hydrogen bonds between the two strands. d. The high heat of the denaturation step breaks the hydrogen bonds between the two strands.

Biology & Microbiology

Arnold was involved in a major traffic accident, and some of the nerves in his spinal cord were cut. What are his chances for a full recovery? Please explain your answer

What will be an ideal response?

Biology & Microbiology

Which microscope is used to see internal structures of cells in a natural state?

A) compound light microscope B) phase-contrast microscope C) darkfield microscope D) fluorescence microscope E) electron microscope

Biology & Microbiology