Variation and Selection — Practice Questions

Question 1

Differences between organisms of the same species are called:

Accepted Answer

variation — These differences are variation.

Question 2

Human height is an example of which type of variation?

Accepted Answer

continuous — Height varies over a range — continuous.

Question 3

Blood group is an example of which type of variation?

Accepted Answer

discontinuous — Blood groups are distinct categories — discontinuous.

Question 4

The process where the best-adapted organisms survive and reproduce is:

Accepted Answer

natural selection — That is natural selection.

Question 5

Natural selection is sometimes called:

Accepted Answer

survival of the fittest — It is 'survival of the fittest' (best adapted).

Question 6

A feature that helps an organism survive in its habitat is an:

Accepted Answer

adaptation — A helpful feature is an adaptation.