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poizon [28]
3 years ago
13

What must be true for natural selection to happen?

Biology
1 answer:
Mila [183]3 years ago
3 0

Answer: Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Explanation:

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The answer is B.

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I hope this helps!
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The only “natural” taxa in Linnaeus’s system is the
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Answer:

The correct answer would be D. species.

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5 0
3 years ago
Crossing-over can happen during which stage?
Andrew [12]
It occurs between prophase one and metaphase one

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4 0
3 years ago
A farmer is trying to determine why some weeds sprayed with weed killer do not die. to begin a scientific investigation of this
blagie [28]
The first thing that the farmer should do is formulate a hypothesis in which he will make intelligent guesses on what is happening or develop a theory of which would explain what is happening. It is the first step in scientific investigation in order to formulate questions of why weeds that are sprayed does not die. After this, it is only then the farmer should experiment and after that, he should finalize his findings as it is its conclusion to the problem.
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3 years ago
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Events that damage the cell's regulatory apparatus, trapping it in the G1 phase of the cell cycle, cause the uncontrolled divisi
Iteru [2.4K]
The answer is cancer.
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