The border across which genes can flow between two
populations is called
a. the contact zone.
b. the parapatric zone.
c. the allopatric zone.
d. the sympatric zone.
e. none of these.
Answer: a
You might also like to view...
In the process of lateral inhibition, ____ inhibit distant bipolar cells
a. ganglion cells b. amacrine cells
c. cones d. rods e. horizontal cells
Sponges are atypical animals because they
a. reproduce sexually. b. are heterotrophic. c. lack definite tissues. d. are multicellular.
Which of the following is paired incorrectly?
A) plants; cellulose cell wall B) algae; glycocalyx C) bacteria; peptidoglycan cell wall D) fungi; polysaccharide cell wall E) archaea; protein cell wall
CO2 and other gases, which absorb the longer wavelengths of infrared light and radiated heat from Earth, are responsible for causing the
A. ozone layer depletion. B. acid rain. C. decreased biodiversity. D. greenhouse effect.