Answer:
A shared character is one that two lineages have in common. Because organisms evolve from common ancestors and then diversify, the logic is stating that the more shared characteristics two organisms have, the closer their evolutionary relationship is.
Explanation:
A. Variations exist among members of a species.
Answer:
the first one i think is d
Answer:
lymphocytes
Explanation: it produces antibodies - proteins that recognize foreign substances and attach themselves to them. They are each programmed to make one specific antibody.
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