Sexual selection affects male characteristics more than female characteristics. Sexual selection operates by which of the following methods?
A. Intrasexual selection, where one sex directly competes with each other for the opportunity to mate with the opposite sex.
B. Intersexual selection, where females select mate on the bases of their physical attributes.
C. intersexual selection, cryptic female choice.
D. Intrasexual selection where one sex directly competes with each other for mates and intersexual selection where females select their mate because of physical attributes and through cryptic female choice.
E. Predatory sexual selection, where females only choose mates that can avoid predators.
D. Intrasexual selection where one sex directly competes with each other for mates and intersexual selection where females select their mate because of physical attributes and through cryptic female choice.
You might also like to view...
One reason we see relatively little genetic variation among human regional populations is that:
A. extensive migration among human populations has homogenized gene pools. B. extensive convergent evolution has homogenized gene pools. C. genetic drift has reduced variation in most regional populations over time. D. humans migrated out of Africa so recently that we haven't had enough time for regional variation to accumulate. E. None of the answer options are correct.
In a pedigree, an affected male would be designated by
A. a shaded circle. B. an open square. C. a square with a line through it. D. an open circle. E. a shaded square.
Which of the following are accessory pigments in
plant photosynthesis? a. carotenoids b. xanthophylls c. anthocyanins d. chlorophyll b e. all of these
Consider the reaction A+B->AB. How is the equilibrium constant expressed for this reaction with two substrates and a single product?
A.) K=[AB]/ ([A]+[B]) B.) K= ([A]+[B])/[AB] C.) K=[AB]/[A][B] D.) K=[A][B]/[AB]