Explanation:
The role of active cytotoxic T cells is to attack <u> </u><u>body cells that have been infected</u>
Answer:
asexual reproduction is produced without intercorse while sexual reproducttion is with intercorse
Explanation:
The attraction that holds two covalently bonded atoms together is called covalent bond
Answer:
If there is a change in the gene, this can further create a new generation of organisms with this change. With certain changes, it enables organisms to survive in other conditions.
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Answer:
Increased fitness of large-beaked birds, leading to natural selection
(Why: Birds with larger beaks are better able to survive in the new enviornment)
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