Answer:
The correct answer is option A. "The contents of blood come into closer contact with tissues in a closed system than an open system".
Explanation:
In a closed circulatory system, the blood has an specific path, circulating from arteries to veins and to smaller blood vessels throughout the body. This is in contrast with open circulatory systems at which the blood is not contained in arteries or veins but it suffuses the body. A closed circulatory system have many advantages over open circulatory system, however in a closed circulatory system the contents of blood are not into closer contact with tissues in than an open system. Actually, in an open circulatory system the blood is in closer contact with tissues.
<span>b.Eusthenpteron might be a common ancestor of bats and humans.
Hope this helps!
-Payshence xoxo</span>
Answer:
Darwin's greatest contribution to science is that he completed the Copernican Revolution by drawing out for biology the notion of nature as a system of matter in motion governed by natural laws. With Darwin's discovery of natural selection, the origin and adaptations of organisms were brought into the realm of science.
Explanation:
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Answer:
You tell her that her husband is away and will be coming back later
Explanation:
If you tell her he's dead, she won't believe you so just go along with it.
These are the possible genotype, B or O and the phenotype I can not find since I don’t know any of their characteristics
