<span>they will only react to target cells which are only in certain organs and which these organs may or may not be affected by the hormones.</span>
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Answer:
it would be C, since an abiotic factor is a non-living thing that helps shape the ecosystem.
Explanation:
If you look at A it lists flowers, which are alive. If you look at B it lists bacteria, which is alive. C doesn't list anything thats alive. D lists insects, which are alive.
The answer would be cytotoxic cells.
