I don't understand this Biology Question (Mechanics of Evolution)
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I don't understand this Biology Question (Mechanics of Evolution)

[From: ] [author: ] [Date: 11-05-17] [Hit: ]
000 from one year to the next.State two reasons why the fish population remains approximately the same form one generation to the next.I cant seem to pinpoint the two reasons in my book. I think one would be because resources of finite. I dont get what another would be.-Various types of predation - on the eggs,......
Every spring, each mature female fish of a particular species produces several million eggs. However , the total population of this species remains around 10,000 from one year to the next.

State two reasons why the fish population remains approximately the same form one generation to the next.

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I can't seem to pinpoint the two reasons in my book. I think one would be because resources of finite. I don't get what another would be.

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Various types of predation - on the eggs, the young, the adults, etc.
Also parasites and diseases.
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