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
A. the many-eyes hypothesis
You might also like to view...
Corals and jellyfish belong to the phylum containing the
A. nematodes. B. sponges. C. annelids. D. cnidarians. E. flatworms.
ATP synthesis that involves phosphorylation events linked to O2-dependent electron transport is called ________
Fill in the blank with correct word.
All of the following are true about prosimians except
A. only two lineages survive today. B. they are widespread. C. they are nocturnal. D. they are big-eyed mammals with increased visual acuity.
How might secondary contact result in a cline?
a. Reproductive character displacement completes the speciation process. b. Hybrid matings may have low fitness. c. Reproductive isolation is partially complete and a spatial gradient of hybrids forms. d. Reproductive isolation is incomplete and the two populations form a single species without spatial variation.