B. Ocetoclast is the answer.
It would be commensalism- a symbiotic relationship where one organism benefits while the other remains unaffected.
The phrase to fit into the blank is "sexual reproduction"!
In sexual reproduction each of the parents produces a gamete and contributes to half of the offspring's genes. This means that the offspring is a unique composition of the two parents.
In contrast, in a asexual reproduction, the offspring would likely have the same genetic code as the parent.
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Answer:
descending tracts is the correct answer.
Explanation:
