Peter and Rosemary Grant are known for their work on
A) Tenebrionid beetles.
B) marine iguanas.
C) Galápagos tortoises.
D) Darwin's finches.
D
You might also like to view...
On a road trip in the American West, you see a prairie dog town – a colony of related animals. There are hundreds of prairie dogs, but only a subset are scanning for predators at any time. If a predator is spotted, a prairie dog barks to warn the rest of the colony, who dart into their burrows. Prairie dogs have a complex vocabulary of alarm calls, which differ to indicate hawks, coyotes, or humans. What feature of group living is best illustrated by the prairie dog alarm system?
A. the many-eyes hypothesis B. the geometry of the selfish herd C. reciprocal altruism D. haplodiploidy E. optimality theory
Tannins are chemicals that help plants repel invaders by
A. over-stimulating the predator. B. sedating the predator. C. binding to proteins and thereby disrupting the predator's digestion. D. injuring the external covering of the predator's body. E. causing the predator to grow so rapidly that it dies.
A slime coat called peptidoglycan covers the walls of many bacteria
Indicate whether the statement is true or false.
The organ of Corti is
a. a chemoreceptor. b. a mechanoreceptor. c. a photoreceptor. d. a nociceptor. e. all of these.