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fiasKO [112]
3 years ago
6

I need help with number 3​

Biology
1 answer:
CaHeK987 [17]3 years ago
5 0

O2 (oxygen) is a covalent compound

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At one time, Chondrichthyes were thought to have diverged from other vertebrates before the evolution of bone. Now we have concl
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Answer:

The correct answer would be - Characteristics can be lost in evolution.

Explanation:

The new evidence helps in developing a new hypothesis. In this case, new evidence proved that the Chondrichthyes diverged after the evolution of bone had started instead of before the evolution started. This process called atavism where an ancestral genetic trait reappears after having lost. This leads to loss of the traits in the evolution

This can take place by knocking the mutation out to overriding the gene by the old gene or overriding the new trait by the old trait during the evolution period.

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11. Explain the importance of having a cell's digestive enzymes enclosed inside lysosomes?
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The low pH of the lysosome is maintained by membrane proteins that pump protons (H + ions ) from the cytosol into the lysosome. ... Although it may seem dangerous for cells to contain enzymes that can digest most biological molecules, the contents of the cell are doubly protected from the digestive enzymes of the lysosome.

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