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Naya [18.7K]
2 years ago
9

“a phylogeny is just a hypothesis” what does that statement mean

Biology
1 answer:
andreev551 [17]2 years ago
4 0

Answer:

Scientists consider phylogenetic trees to be a hypothesis of the evolutionary past since one cannot go back to confirm the proposed relationships.

Explanation:

Basically it is a hypothesis from before hypothesis actually were called hypothesis

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Answer:

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Explanation:

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The olfactory receptors are embedded in the epithelium or mucous lining of the nose in which one extension of the cell body reaches the epithelium surface and branches into cilia like structures which sense the odour.

If the axons of the olfactory cells are broken then the cells will not be able to respond to the molecules trapped in the mucus and thus no detection of odour. The signal will not be generated in response and thus will not be sent to the brain. Thus, the person will not be able to smell.

Thus, Options-1 and 3 are correct.

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Answer:

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Plants,algae,and cyanbacteria all release.......as waste that animals use to breathe
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