#Question id: 3484
#Section 2: Evolution
Modern behavioral concepts relate the cost of a behavior to its benefit. Under which relationship might a behavior be performed?
A) cost is greater than the benefit
B) cost is less than the benefit
C) cost is equal to the benefit
#Question id: 3485
#Section 2: Evolution
Optimal foraging involves all of the following except
A) maximizing energy gained by the forager.
B) minimizing energy expended by the forager.
C) securing essential nutrients for the forager.
D) minimizing the risk of predation on the forager.
E) maximizing the population size of the forager
#Question id: 3396
#Section 2: Evolution
The Galapagos finches were an important clue to Darwin's thinking about the origin of species. These finches are believed to have descended from a single ancestral species that colonized the Galapagos archipelago, America, over a short period of time. The Galapagos finches differ in their beak shape and size. Different species feed on seeds that vary in size and hardness. Which of the following is the most likely explanation for these patterns?
#Question id: 3486
#Section 2: Evolution
Which of the following might affect the foraging behavior of an animal in the context of optimal foraging?
A) risk of predation
B) prey size
C) prey defenses
#Question id: 3395
#Section 2: Evolution
The Hardy-Weinberg principle states that allele frequencies in a population will remain constant over generations if certain assumptions are met.
A. Random mating
B. Sexual selection
C. Migration
D. Large population size
E. Reproductive isolated from other population
F. Linkage of many genes
Which of the above factors will cause changes in allele frequencies overgenerations?
#Question id: 3487
#Section 2: Evolution
Which of the following is true of innate behaviors?
A) Genes have very little influence on the expression of innate behaviors.
B) Innate behaviors tend to vary considerably among members of a population.
C) Innate behaviors are limited to invertebrate animals.
D) Innate behaviors are expressed in most individuals in a population across a wide range of environmental conditions.
E) Innate behaviors occur in invertebrates and some vertebrates but not in mammals.