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olchik [2.2K]
3 years ago
7

Answer question 21. It's the only one in stuck on

Biology
1 answer:
otez555 [7]3 years ago
7 0
The answer to 21 is C. Sex Cells. Men produce sperm, which is a type of sex cell (or "gamete") and women produce eggs, which are also a type of sex cell (or "gamete").
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Let's play devil's advocate just for fun. ;-)
1)  neither of them are a concern.  Even if humans overpopulate the earth, the strong will find a way to survive and Darwin's theory of evolution will determine who deserves to pass on their genes and rule the world.  This will result in stronger and stronger humans each generation.  Economic wealth is not a concern for similar reasons.  The strongest, smartest humans will pass on their genes and their wealth, thus ensuring that only strong, smart humans will survive.  
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This is a fun question.  Since it's an opinion, it can't be wrong, right? LOL
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3. How do nutrients and other materials move in fungi?
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Explanation:

I have a strange feeling that this isn't the answer you were looking for.

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