Because since their ancestors came before them then they inherit certain beneficial traits that help them survive. Those traits are in the DNA and the animals are evolving to be more fit for the environment that they are in. (hope this helps)
answer:
carbon dioxide !!
explanation:
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Answer:
the plant in the F1 were allowed to self-polinat the plant in the p generation are the true breeding
<span>B.) It is moving away from Earth.</span> When an objects moves far from the viewer, it's light is affected by a change called doppler effect or doppler shift.
Your answer is B, cell wall.