D)
scientific theory is something that has been proven over many tests
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Answer:
PCR=Polymerase chain reaction
Explanation:
Answer:
artificial selection/selective breeding
Explanation:
The illustration is an example of <u>artificial selection.</u>
<em>By definition, </em><em>artificial selection</em><em> is the deliberate perpetuation of some traits in living organisms simply because the traits are desirable. The organisms are selected because of the traits and allowed to breed either naturally or otherwise in order to ensure that these traits appear or are even consolidated in the offspring of the breeding. </em>
The offspring from selective breeding are expected to combine the desirable traits of the two parents and thus, appear better than each of the parents.
It makes farmers preform more tasks by hand.
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Collagenous fiber, elastic fibers and, Gel - Like substance. in which all of these commonly contain fat cells.