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liraira [26]
4 years ago
5

What gas do some scientist think was missing from earths early atmosphere

Biology
1 answer:
salantis [7]4 years ago
3 0
I think the answer is oxygen, but not 100% sure
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An ecologist was observing two species of mouse that lived at different elevations on a mountain. In the lab, she observed that
dolphi86 [110]

The species had the same fundamental niche, but the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

<h3>Why is the perceived niche considered a subset of the fundamental niche?</h3>

Well, as we know, the perceived niche is smaller than the fundamental niche, in other words it is a specific portion of the fundamental niche, so it is considered a subset of the fundamental niche.

With this information, we can conclude that the species had the same fundamental niche, but that the high-altitude species was occupying a perceived niche, as it was inhabiting a different ecosystem, with different adaptations, but being the same species.

Learn more about Niche in brainly.com/question/814740

8 0
2 years ago
A forensic scientist finds a single skin cell from saliva on a cigarette butt left in a room where a murder has just occurred. W
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The best answer for this question would be: 

 

D. Polymerase chain reaction

 

<span>It is used in molecular biology in order to create small fragments of the DNA. Those copies of the DNA mimic the happenings in the cell. This chain reaction is an efficient technique to further research on crimes.</span>

6 0
3 years ago
A. 1,3,2,4 <br> B. 4,1,3,2 <br> C. 4,3,2,1 <br> D. 1,2,3,4
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Answer is A. 1,3,2,4
5 0
3 years ago
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Ammonia can be produced by bacteria in the soil by two processes
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Nitrifying bacteria in the soil convert ammonia into nitrite (NO2-) and then into nitrate (NO3-<span>).</span>
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3 years ago
What term is used for chromosomes 1-22
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Hi there! The answer is autosomes. The 23rd set of chromosomes are called gametes. Hope this answers your question!

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