Prairie dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, and a variety of snakes, raptors, and mammals   preyed on the rodents. In fact, the black- footed ferret (now endangered) specialized in prairie dog predation. Today, growing housing and agricultural developments have covered many prairie dog towns. Which of the following statements about prairie dogs is true?

TLS Online TPP Program

#Question id: 11773

#Section 2: Evolution

Which of the following organisms exhibits a pattern of parity quite different from the others?

TLS Online TPP Program

#Question id: 11774

#Section 2: Evolution

If environmental variation is common, individuals with certain life history strategies have higher fitness. An example is: __________.

TLS Online TPP Program

#Question id: 11776

#Section 2: Evolution

According to optimal foraging theory, longer travel time

TLS Online TPP Program

#Question id: 11777

#Section 2: Evolution

Some of the species of stalk-eyed flies are sexually dimorphic, with males having eye stalks up to twice as long as those in females. This gender difference in eye span results from selection by females on the expression of this trait in males, a process called __________.

TLS Online TPP Program

#Question id: 11778

#Section 2: Evolution

Asexually-produced offspring, descended from the same parent and bearing the same genotype, constitute a

TLS Online TPP Program

#Question id: 11928

#Section 2: Evolution

In most species, deviations from equal proportions of males and females in a sexually-reproducing population will confer an advantage to genotypes that: