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Biology

2 answers:

Hitman42 [59]3 years ago

7 0

Answer:

First convert the 30 centimeters into kilometers. This will give you 0.0003 km because 1 km is 100,000 cm. Next multiply 100km^2 by 0.0003km which will give you your answer or 0.03 km^3.

Explanation:

IRINA_888 [86]3 years ago

3 0

I’m not completely sure what the answer they expect is, but I’d say the slowest would be the 70s (potentially the 60s). We look at the slope of the graph to see how quickly ice is being lost, so a shallower slope signifies a slower loss. Likewise, for the fastest, we’d look for the steepest slope in the graph. I’d say the early 2000s for the fastest, since were not provided the full data set for the 2010s.

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There are many traits for which it seems natural selection should favor an increase every generation, such as survival from birt

Tom [10]

Answer:

Natural selection has been studied since Charles Darwing first started his research.

Explanation:

Basically natural selection changes the frequency of traits. Left themselves in large , freely interbreeding populations, the frequency of traits will remain the same from generation to generation. The traits are often heritable, in living organisms, many characteristics are inherited, or passed from parent to offspring.

The reasons why we mightt not see a response to directional selection on such a trait are:

More offspring are produced than can survive.
Organisms are capable of producing more offspring than their environments can support.
Offspring vary in their heritable traits.

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7. is the purpose of natural selection to increase the mean fitness in populations? explain.

jasenka [17]

Answer:

Yes.

Explanation:

Natural selection says that the weakest die off quicker and are less likely to reproduce. With only the fittest surviving and reproducing, Natural Selection ensures an increase in the populations mean fitness.

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