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ycow [4]
2 years ago
9

Analyze the graph with a partner. How many mass extinctions did you identify? How did you determine when they occurred?

Biology
1 answer:
Scilla [17]2 years ago
6 0

Answer:

4 mass extinctions

Explanation:

as there are huge drops in the graphs

at 440,390,260,50

Mark me as brainliest pls

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3 years ago
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Answer:

A pollen tube grows from the pollen grain into the ovary

Explanation:

Water is needed for fertilization in several plant groups because the sperm needs to swim to meet the non-motile eggs of the female organs.

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<em>Hence, water is really not necessary for fertilization in the angiosperms.</em>

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