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max2010maxim [7]
3 years ago
7

Your friend claims that all mutations are harmful to living things. Do you agree or disagree with this claim?

Biology
1 answer:
Anarel [89]3 years ago
4 0

Answer:

I disagree

Explanation:

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Oxygenated blood flows from the __________ to the __________ before being pumped into the systemic circulation.
jeka94

Answer: from the pulmonary veins into the left atrium.

Explanation:

After oxygenation of blood in the lungs, the right and left pulmonary veins carry oxygenated blood and empties it into the left atrium. The left atrium then empties the blood into the left ventricle through the left atrioventricular valve.

With contraction, the ventricle pumps the blood to the systemic circulation through the aorta. The blood flow into the aorta is guarded by the aortic valve.

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3 years ago
1. Why does the Elodea cell have chloroplasts but the onion cell does not, even though both are plant cells? Please answer quick
Oksanka [162]
Chloroplasts contain chlorophyll which is what makes plants green. Onions are not green because they do not contain chloroplasts. The reason they do not have chloroplasts is because in the chloroplast, photosynthesis takes place. A key player in the process of photosynthesis is the sun. The onion itself grows underground which means while they grow they do not come into contact with the sun so chloroplasts in an onion is pointless since they can’t undergo photosynthesis. Hope I helped!
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In what process does adaptation lead to the creation of a new species? a. Mutation c. Speciation b. Adaptation d. Genetics
julsineya [31]

Answer:

This eventual process of speciation by natural selection is illustrated by a sketch ... The integration of genetics with models of natural selection shed tremendous ... processes which cause adaptation within species also tend to create new species. ... Darwin, C. On The Origin of Species by Means of Natural Selection,

Explanation:

7 0
2 years ago
The organism at location D is the
laila [671]

Answer:

The organism at location D is the  common ancestor

to organisms at location A, B, and C.

Explanation:

Hi! This is your answer because the organism at location D is at the very beginning of the cladogram thus passing on traits to organisms A,B, and C.

Hope this works for you.

7 0
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