Why is the cost of sex sometimes also referred to as the "cost of males"?
a. Males do not contribute genes to the next generation.
b. Males do not produce new offspring.
c. With finite resources, males take the place of offspring producing females.
d. Sperm cells do not contribute any substantial energy resources to the eggs they fertilize.
e. B, C, and D.
E
You might also like to view...
Sons of a cross between a white-eyed male and a red-eyed female always have red eyes
A. true B. false
The assumptions of the Hardy-Weinberg equilibrium principle include all of the following except ________
A) random mating B) no migration C) limited population size D) All of these are assumptions of Hardy-Weinberg.
How does the diameter of a prokaryotic cell compare to the diameter of a eukaryotic cell?
A) Prokaryotes have twice the diameter of a eukaryote. B) Prokaryotes have one-half the diameter of a eukaryote. C) Prokaryotes have one-tenth the diameter of a eukaryote. D) Prokaryotes have one-thousandth the diameter of a eukaryote.
A physician is trying to determine if a patient has functioning helper T cells. Which of the following events would provide evidence that helper T cells are acting normally?
A) Antibodies recognize and bind to antigens. B) Memory cells are produced after the secondary immune response. C) Antibodies are found in the blood. D) The inflammatory response is triggered.