Determining Population Size Answers

Bottleneck events are always caused by the death of most of a species’ population.

A species that has experienced a severe bottleneck event would be expected to _______.

The Toba supervolcanic event caused a bottleneck in the human population by _______.

The disproportionately high appearance of polydactylism among the Amish suggests that _______.

The founder effect is an example of _______.

In nature, this method is the only way diversity is truly created. Changes in the genetic material of an organism are passed on to offspring and, although the process is slow, it could eventually result in the creation of a new species. These statements describe the effects of _______ on biodiversity.

The bottleneck event that the cheetah went through in the last ice age ultimately resulted in a stronger, more robust species.

The study of island biogeography is best said to be based on _______.

The Amish are an example of a population where the founder effect has resulted in generally rare genetic traits being more commonly expressed.

The unusual maintenance of genetic diversity among the Mouflon in the Indian Ocean after a severe reduction in their population is mostly due to environmental pressures on the island where they lived.

Which of the following is not a potential result of a bottleneck event?

Conservation efforts have preserved most of the bison’s original genetic diversity.

Which of the following statements is most accurate concerning the founder effect?

Genetic drift is best described as the redistribution of the frequency of gene occurrence in a(n) _______.

R-organisms reproduce at a very high rate. Knowing this, why don’t they usually reach their carrying capacity?

Which respresents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck effect?

The bottleneck event that decimated the bison was caused by _______.