From an evolutionary perspective, what is the significance of the reproductive
isolation developing between two populations.
Speciation due to reproductive isolation results in extinction of the ancestral
species.
When two populations con not interbreed, the flow of genetic information
between them stops.
This is incorrect. Reproductive isolation over time results in speciation, which
changes the type of competition from intra-species to interspecies, not the
amount of competition between individuals or populations.
This is incorrect. Whether a mutation is favorable or unfavorable determines
whether it results in greater fitness, not the mutation rate.

Explanation:

Descriptions:  

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the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.