One adaptation to life in flowing water is - breeding in oceans
Adaptation is not a quick process but rather it is a slow and time taking process. It can be defined as an evolutionary process where an organism becomes increasingly well suited to living in a particular habitat. It is a feature of an organism that enables it to live in a particular habitat.
Answer: i think its C. but find another source just in case.
You must just analyze the words. Replication is a synonym of copy, so the only possible answer is C.
Hope it helped,
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During the process of ossification, an existing tissue is replaced by bone.