Natural selection is the process in which a weaker, or less advantaged animal loses something to a stronger, more advantaged animal. For example, a frog with a broken leg probably will not get to mate while a healthy frog will. Evolution is the process of an animal gradually changing over the generations biologically. An example of this is the theory that humans slowly evolved from monkeys, gradually becoming more and more human like.
B- is the answer
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It introduces a diverse array of bacteria, algae, and invertebrates to the closed marine environment and functions as a superior biological filter
Answer:
B, H, E, G, C, D, A, F
Explanation:
The ones closest to the bottom are the oldest
