Question 1

Traditional classifications last century tended to take into account primarily

Accepted Answer

general similarities in appearance

Answer

DNA similarities

Answer

RNA similiarities

Answer

extinct organisms

Question 2

Why did the development of sexual reproduction speed up the process of evolution?

Accepted Answer

Sexual reproduction increases genetic variety.

Answer

The offspring of sexual reproduction are identical to their parents.

Answer

Sexual reproduction occurs more rapidly than asexual reproduction.

Answer

Sexual reproduction limits genetic variety.

Question 3

For many species today, there are often cultural differences in their

Accepted Answer

binomial nomenclature

Answer

scientific names

Answer

taxa

Answer

common names

Question 4

Sedimentary rock is formed from

Accepted Answer

small particles of sand, silt, and clay.

Answer

the hard parts of organisms

Answer

wood, shell, and bone.

Answer

the soft parts of organisms.

Question 5

To be useful as an index fossil, a species must have existed for a

Accepted Answer

short period over a wide geographic range.

Answer

short period over a small geographic range.

Answer

long period over a small geographic range.

Answer

long period over a wide geographic range.

Question 6

A single species that has evolved into several different forms that live in different ways has undergone

Accepted Answer

adaptive radiation

Answer

punctuated equilibrium

Answer

mass extinction

Answer

coevolution

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