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Anit [1.1K]
3 years ago
9

Genetic variation ________. Genetic variation ________. is created by the direct action of natural selection tends to be reduced

by when diploid organisms produce gametes arises in response to changes in the environment must be present in a population before natural selection can act upon the population
Biology
1 answer:
taurus [48]3 years ago
6 0

Answer: Natural selection can act on traits determined by alternative alleles of a single gene ... hope this helps, this is one of many answers for this question!

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A puff of air to the eye causes a reflexive blink. If you precede the puff of air with a buzzer, eventually the buzzer will caus
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There are options for this question they are:

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b) conditioned stimulus; neutral stimulus

c) unconditioned stimulus; conditioned stimulus

d) neutral stimulus; unconditioned stimulus

e) unconditioned stimulus; neutral stimulus

The correct answers are - In this example, the buzzer begins as the neutral stimulus and eventually becomes the conditioned stimulus. The buzzer initially is a neutral stimulus because it have no role to play in the blinking response. Eventually though through learned association the buzzer becomes a conditioned stimulus because you now associate it with a puff of air to the eye which in turn causes you to blink.

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