Oxygen.
Oxygen was fatal when organisms started using photosynthesis, this event was known as the Great Oxidation Event.
New varieties. Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
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( brainliest answer plzz). ;)
Answer:
c. A at the top of the saturated zone.
Answer:
C
Explanation:
It would cause flaccid paralysis (relaxed muscles unable to contract).
The answer to the following question:
<span>Mitosis result results in four genetically different haploid cells? A. True
B. False
is:
false
</span>
