Answer: PCR allows us to target and amplify one specific segment of DNA that is a few hundred base pairs in length out a complete genome of over 3 billion base pairs.
Explanation:
Answer:
oxegyen dissolves into the ocean from the atmosphere
Explanation:
The surface water is usually saturated with oxygen
18% of 400 is 72
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The animal’s anatomy is specifically evolved in and thus tied in with it physiology, thus affecting its interactions with the environment.