2. Explain the relationship between genetic variation and an organism's ability to adapt to its environment,

1 answer:

8 0

Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.

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AnnZ [28]

The correct answer is D

4 0

3 years ago

What evidence supports Hess's theory of seafloor spreading? Check all that apply.

Zarrin [17]

The direction iron in ocean rocks points

The new crust, formed at constructive/divergent boundary (regarding tectonic plate movement), has band-like patterns that orient in different directions (in alignment with earth's magnetic fields) and visible on the surface. This shows that it is newly made crust made from new magma.

Explanation:

These bands are firmed when the iron minerals in magma orient themselves with the earth's magnetic field before the magma cols into rock and lock the minerals permanently in position. This magma upwells from the mantle to fill the void made when the tectonic plates are moving away from each other.

The earth's magnetic field on the other hand is dynamic. Its angle increases gradually from the true north or south and then flips orientation over several hundred years. The iron minerals therefore will align differently depending on the orientation of the earths magnetic field at the time. This is why the new crust has band-like features visible on its surface.

Learn More:

For more on seafloor spreading check out;

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6 0

4 years ago

Read 2 more answers

Umm.. What is the answer then please help

denis-greek [22]

Explanation:

location= Know how it is found on the map

Region=. see grouping of landscape or culture