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Damm [24]
4 years ago
10

What was Dr. Kearns original problem?

Biology
1 answer:
Dovator [93]4 years ago
6 0

Answer: Cancer

Explanation: Dr. Robert Kearns' original problem was when he was diagnosed with cancer, his family stated.

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The formation of fossil fuels in the carbon cycle serves to:
pochemuha

Answer:

B. store excess carbon underground

Explanation:

The fossil fuels have been formed on the basis of organisms that have died, mostly producers. These organisms have carbon stored in them. As they died and got covered by sediments, the carbon has been stored in the lithosphere. Since more and more sediments have been covering the stored carbon, it has been isolated and stored into the lithosphere for tens or even hundreds of millions of years, thus contributing to lowering the amount of carbon in the atmosphere for quite some time, and removing it from its natural cycle.

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3 years ago
At what point during the life cycle could some mollusks be considered parasites?
weqwewe [10]

Answer:

I would say at larva stage.

Explanation:

This is because the eat microscope things at this stage.

If you have any questions feel free to ask in the comments - Mark

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3 years ago
What are the neurons called that pick up sensations from receptors and carry them into the brain?
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Neurons that pick up sensations from receptors and carry them into the brain are sensory neurons.
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The deer showed the greatest change
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In which of the following animals are the circulatory fluid and interstitial fluid considered to be the same body fluid? a) gras
Mazyrski [523]

Answer:

a) grasshoppers

Explanation:

The open circulatory system is a type of circulatory system in which the cells bath in the blood directly. It is the characteristic feature of arthropods and mollusks. Grasshoppers are arthropods and have an open circulatory system. In the open circulatory system, the heart pumps the blood into the vessels with open ends.

Therefore, blood and interstitial fluid are not distinct and are collectively called hemolymph. The hemolymph comes out of the blood vessels and fills the large spaces called sinuses. The cells of their body bath in the hemolymph. The heart in arthropods has openings to allow the entry of the hemolymph into it.

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4 years ago
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