What term describes the failure of one species' sperm to fertilize the egg of a different species?
A) Hybrid weakness
B) Gametic incompatibility
C) Mechanical incompatibility
D) Mating time differences
B
You might also like to view...
The ____ is/are responsible for closing off the airway during swallowing
a. larynx b. epiglottis c. pharynx d. intercostal muscles e. pleura
How does primary growth occur at a terminal bud?
What will be an ideal response?
Which of these humans is the "fittest" as far as natural selection is concerned?
A) a person who lives to the age of 105 and has two children B) a very popular film star who is still alive, is very rich, and has three children from three spouses C) a person who lives to the age of 110 and has no children D) a person with seven children who is killed in an automobile accident at age 40
Which of the following does not occur when you are very, very cold?
A. You get goose bumps. B. The arrector pili muscles contract. C. Shivering occurs. D. Smooth muscle contracts inside the blood vessels supplying the skin. E. More blood flows to the surface of the body.