Answer:
B
Explanation:
<em>The correct answer would be that when sticklebacks don't use their armor, it shrinks. Then they pass lighter armor to their offspring.</em>
According to the theory of natural selection, adaptive traits that enable organisms to survive in an environment are selected by the forces of natural selection.
<u>When a particular trait is not needed for survival in an environment, the trait gradually degenerates within the population as natural selection ignores the existence of such trait. The degenerated trait is inherited by the subsequent generations of the population.</u>
The mechanism is also consistent with the law of use and disuse of organs by Jean Larmack.
The correct option is B.
Hope this helps :)
https://www.immunology.org/public-information/bitesized-immunology/cells/cd8-t-cells
<span>They share their classification of heterotrophs. The mushrooms need to acquire food from external sites that are obtained from other sources, while the tree belongs to the classification of autotrophs which means that they obtain food without going to look for it but through photosynthesis. But both are heterotrophic.</span>
