Mutations and sexual reproduction increase genetic variation in a population. Natural selection occurs when environmental pressures favor certain traits that are passed on to offspring. ... Individuals may mutate, but natural selection acts by shifting the characteristics of the population as a whole.

Explanation:

8 0

3 years ago

if one homozgous short plant is crossed with a heterozgous tall plant, what percentage of the offspring will be short

dedylja [7]

50% of the offspring will be short

3 0

3 years ago

An ocean layer in which the temperature drops with depth faster than in other layers is called a thermo cline. True or false

lana [24]

Answer:

true

Explanation:

That is the exact definition of thermocline

4 0

2 years ago

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