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LiRa [457]
3 years ago
13

A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the

southern mice became larger and browner. This is an example of:
Question 5 options:

Geographic isolation


Homology


Industrial mechanism


Genetic isolation
Biology
1 answer:
drek231 [11]3 years ago
6 0
Geographic Isolation Because i had bio last year an i remember that Exact Question 
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If the ecosystem is balanced, which populations should be the largest? Which should be the smallest?
Phantasy [73]
If the ecosystem is balanced then the population would aslo be balanced, IG its the unbalanced ecosystem which leads to unbalanced population and when its unbalanced then we can say which one would be largest and which one smallest..
7 0
3 years ago
What shuffles genes and increases genetic variation in gametes during meiosis, when these homologous pairs are paired up ?
Marizza181 [45]

Meiosis is referred to as reduction division as it divides the chromosome number in half. Crossing over or recombination is the main reason of shuffled genes and increased genetic variation in gametes in meiotic cell division as the homologous pairs are paired up during prophase.

<h3>What is crossing over?</h3>

Crossing over is referred to as the exchange of genes of DNA between paired homologous chromosomes. It actually occurs during the development of egg and sperm cells i.e., during meiosis.

It is an enzyme-mediated step, in which the exchange of genetic material takes place between non-sister chromatids of homologous chromosomes.

It actually occurs at the pachytene stage of prophase I of meiosis cell division.

Thus, it can be concluded that the crossing over is the main reason of shuffled genes and increased genetic variation.

For more details regarding crossing over, visit:

brainly.com/question/19671756

#SPJ1

4 0
2 years ago
A county has recently evolved from underdeveloped to developed and the birth and death rate have stabilized. This is known as 
krok68 [10]

Answer: demographic transition

Explanation:

4 0
3 years ago
Which stage of mitosis takes the least amount of time to complete?
Mars2501 [29]
The first one i think it is the first one

7 0
3 years ago
Oxygen and Carbon Dioxide exchange as a result of the interaction of which two body systems
miskamm [114]

Answer:

4

Explanation:

The circulatory system includes the blood that has picked up the carbon dioxide from all of the respiring tissues and who also delivered oxygen to them to continue respiring.

The blood will then reach the lung where the carbon dioxide that the tissues released is exchanged for oxygen in the alveoli.

* Blood cells isn't an organ system which makes 1 incorrect.

* Digestive system will in no way bring the blood to the lungs or away from it. This is the circulatory system's job. So 2 is incorrect.

*Lastly, lungs are organs and the question asks for organ systems. So 3 is incorrect.

7 0
2 years ago
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