The choice that best fits and answers the question is;
D: absorption
I hope this answer is sufficient and has aided you.
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Answer:
Mammals, Mollusks, Roundworms, Arthropods, Flatworms
Explanation:
I believe it's the body area examination, since a 'back' isn't and organ
Hope this helpss
The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
<h3>What are pollen grains?</h3>
Pollen are very important in the propagation of a flower. They need to be involved in the process of fertilization. As a matter of fact pollination is the transfer of pollen grains from the anther to the stigma of a flower.
Now we can see that there are various stages in the development of pollen. The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
Learn more about pollen:brainly.com/question/21021623
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Answer:
2) End Triassic
Explanation:
End Triassic extinction occurred 201 million years ago. It was caused by the rifting of super continent Pangea. Pangea started to break and drift apart. When North america started to separate from Africa, volcanic activity increased. Lava and a large amount of gas was released into the atmosphere specially carbon dioxide. This led to global warming like condition which ultimately caused extinction of a large number of species.