A male from one species meets a female from its sister species. They mate but the progeny produced are sterile. This is an example of:
a. reproductive character displacement.
b. a hybrid zone.
c. prezygotic isolation.
d. postzygotic isolation.
D
Biology & Microbiology
You might also like to view...
Ribosomes are most closely associated with ____
a. the Golgi complex b. lysosomes c. mitochondria d. smooth endoplasmic reticulum e. the cytoplasm and rough endoplasmic reticulum
Biology & Microbiology
T cells and B cells are produced in the
A. bone marrow. B. thymus. C. Peyer's patches. D. nervous tissue.
Biology & Microbiology
Which of the following is not a function of a plant stem?
A. storage of starch B. storage of water C. production of pollen D. support E. protection from predators
Biology & Microbiology
Solutions containing pure alcohol or water-alcohol mixtures are called aqueous.
a. true b. false
Biology & Microbiology