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posledela
3 years ago
15

How does geographic isolation cause an increase in differences between two groups

Biology
1 answer:
Alexeev081 [22]3 years ago
8 0

Answer:

What was once a continuous population is divided into two or more smaller populations. This can occur when rivers change course, mountains rise, continents drift, or organisms migrate. The geographic barrier isn't necessarily a physical barrier that separates two or more groups of organisms. It might just be unfavorable habitat between the two populations that keeps them from mating with one another.

Explanation:

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How might adding trees, other plants, and phytoplankton to the biosphere impact global climate change?
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Answer:

B) The biosphere will absorb carbon dioxide, and the temperature of the atmosphere may decrease or the warming of the atmosphere will slow.

Explanation:

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4 0
3 years ago
If polar is positive and non-polar is negative then why can’t a polar molecule pass through the non-polar phospholipid membrane
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Answer:

Because of the chemical and structural nature of the phospholipid lipid by layer the lipid soluble molecule can just pass the lipid membrane and some small molecules can also pass freely.

Explanation:

as we know that the homeostasis is an important process for a  living cell to maintain it self so for the the exchange of materials between the external and internal environment is must so for that it exchange material with the outside environment of the cell.as the cell membrane is semipermeable(mean allow some molecule to pass(lipid soluble) and not others(lipid non soluble) to pass through the membrane.the cell membrane is selectively permeable due to its nature and chemical composition the chemical composition is lipid and  phosphate and glycerol(head) with fatty acid that may b saturated or unsaturated(tail).so finally all those molecule which are polar can not pass through the membrane and  non polar can pass the membrane.The size of the molecule is also a factor on which the permeability depends.

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___________________________________________________________

<u><em>Hope this helps :)</em></u>

<u><em>Pls brainliest...</em></u>

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