Chapter 41

The type of place where a species typically lives is called its _______ . a. niche b. habitat c. community d. population

Which cannot be a symbiosis? a. mutualism b. parasitism c. commensalism d. interspecific competition

Lizards that eat flies they catch on the ground and birds that catch and eat flies in the air are engaged in ________ competition. a. exploitative b. interference c. intraspecific d. interspecific e. both a and \(\mathrm{d}\) f. both b and c

________ can lead to resource partitioning. a. Mutualism b. Parasitism c. Commensalism d. Interspecific competition

Match the terms with the most suitable descriptions. ______mutualism ______parasitism ______commensalism ______predation ______interspecific competition a. one free-living species feeds on another and usually kills it b. two species interact and both benefit by the interaction c. two species interact and one benefits while the other is neither helped nor harmed d. one species feeds on another but usually does not kill it e. two species access a resource

A tick is a(n) _______ . a. brood parasite b. ectoparasite c. endoparasite

By a currently favored hypothesis, species richness of a community is greatest between physical disturbances of ________ intensity or frequency. a. low b. intermediate c. high d. variable

Growth of a forest in an abandoned corn field is an example of _______ . a. primary succession b. resource partitioning c. secondary succession d. competitive exclusion

Species richness is greatest in communities _______ . a. near the equator b. in temperate regions c. near the poles d. that recently formed

If you remove a species from a community, the population size of its main ______ is likely to increase. a. parasite b. competitor c. predator

Mammals are least likely to be ________. a. mutualists b. commensal c. brood parasites d. predators

Match the terms with the most suitable descriptions. ______area effect ______pioneer species ______indicator species ______keystone species ______exotic species ______resource partitioning a. greatly affects other species b. first species established in a new habitat c. more species on large islands than small ones at same distance from the source of colonists d. species that is especially sensitive to changes in the environment e. allows competitors to coexist f. often outcompete, displace native species of established community