If a hybrid is unable to produce sperm because meiosis does not proceed correctly, gene flow between the species is restricted by
A) hybrid infertility.
B) gametic isolation.
C) temporal isolation.
D) hybrid viability.
E) ecological isolation.
A
You might also like to view...
Glutaraldehyde
A. is, if given enough time, able to destroy all forms of microbial life. B. is very good for use on heat-sensitive medical items. C. attacks lipids. D. does not affect non-enveloped viruses. E. is, if given enough time, able to destroy all forms of microbial life AND is very good for use on heat-sensitive medical items.
Sublimation refers to the process of converting a
a. gas into a liquid. b. liquid into a gas. c. solid into a gas. d. solid into a liquid
What is leghemoglobin, which contains an iron-containing heme group, used for?
a. to remove O2 from roots b. to produce H2O from O2 c. to deliver O2 to bacteroids d. to transport O2 in the xylem
Why do the benefits of group living focus on foraging and predation?
a. Reproduction is irrelevant for the fitness of individuals in a group. b. Individuals in groups always forage and are vigilant together. c. Groups only exist for foraging and anti-predator behavior. d. Most of an organism's time is spent foraging and avoiding predators.