13. What is a species?

A
A group of organisms that can breed together.

B
A group of organisms that live together in an area.

C
A group of organisms that can breed and produce infertile offspring together in nature.

D
A group of species that can breed and produce fertile offspring together in nature.

16. John raises goldfish as a pet dealer. He has over 10,000 fish in one large tank but, due to an electrical problem, 95 percent of the fish perish one night. The remaining 5 percent are left to breed and repopulate, passing their genes and traits on to future generations. What type of genetic drift would this be considered?

1Points
A
bottleneck event

B
extinction

C
founder effect

D
natural selection

17. Alicia wants to model allopatric speciation for her science project. She has a population of ants to use as her model. What should she do to the ant population?

1Points
A
introduce another species of ants to her population

B
introduce a new food source to part of her population

C
place a wall in their habitat that divides the population

D
remove the water source from the population