Answer:
All animals share a common ancestor.
Explanation:
All living organisms including animals have evolved from common ancestral organism. It is evident from various researches in relation evolutionary diversification of species. The process by which numerous variety of species are formed from a common ancestor is known as speciation. The attached diagram showing the phylogeny tree of life is a solid evidence of common ancestral origin of life.
Females have two X chromosomes while males have one X and one Y chromosome
Answer:
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Your answer would be <em><u>D. refrigerator coils keeping the refrigerator cold</u></em>
Answer: "mutations" .
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