When a population suddenly reduces in size from habitat loss, natural disaster, or other environmental changes, and its subsequent genetic variation is affected, we say it has experienced Select one: a. the founder effect. by. the bottleneck effect. c. genetic drift. d. geographic isolation.

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

The term equestrian relates to which animal? bulls cows horses pigs