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stepladder [879]
3 years ago
14

In the Pleistocene period 10,000 years ago, there was a remarkable extinction of vertebrates in many continents, which may expla

in why the cheetah has famously low levels of genetic variation. Which evolutionary mechanism does this reflect?
Biology
1 answer:
slega [8]3 years ago
5 0
The correct answer is the bottleneck effect
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PLEASE PLS PLS ANSWER ASAP!!! WILL GIVE BRAINLIEST
marysya [2.9K]

Answer:

I think B

Explanation:

Because it is not a physical weathering example, it is not based on the weather it is based on a growing plant.

5 0
3 years ago
Unattached microbes are moved from the lungs to the epiglottis by the _______ effect.
lisov135 [29]

Answer:

The unattached microbes are moved from lungs to epiglottis by the <u>mucociliary escalator effect.</u>

Explanation:

Mucociliary escalator, also known as mucociliary clearance, is one of the major defense mechanisms that protects the lungs. It describes the self-cleaning mechanism of the bronchi which are present in the lungs. The effectiveness of this mechanism depends on the properties of the produced mucus and on the quality and number of the cilia present in the lining of the airway.

Therefore, the unattached microbes are moved from lungs to epiglottis by the <u>mucociliary escalator effect.</u>

4 0
2 years ago
All of these are true about surface runoff EXCEPT: *
Triss [41]

Answer:

D

Explanation:

Using the eliminating method, all the others are true of surface runoff, so they are not correct answers. So, that means D must be correct.

7 0
3 years ago
Smells are processed in the ______, which explains why smells often generate emotion-laden memories.
pav-90 [236]
The answer to this question would be: limbic system

Limbic system is part of the brain that responsible for emotion. One of this part is the olfactory bulb where the smells are processed. That is why a smell of something might make someone remember some memories that were related to the emotion.
In some organism, smells is important for survivability. Smelling a predator might cause the organism to feel fear and run away from them before they got close.
7 0
2 years ago
How many chromosome in total are there?
stiv31 [10]

Answer:

46 chromosomes Hope this helps in any way!

Explanation:

5 0
2 years ago
Read 2 more answers
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