Chapter 45
Biology: The Unity and Diversity of Life · 12 exercises
Problem 1
The type of physical environment in which a species typically lives is its ______________. a. niche b. habitat c. community d. population
4 step solution
Problem 2
Which cannot be a symbiosis? a. mutualism b. parasitism c. commensalism d. interspecific competition
3 step solution
Problem 3
A tick is \(a(n)\) ____________. a. parasitoid b. ectoparasite c. endoparasite
3 step solution
Problem 4
________________ can lead to resource partitioning. a. Mutualism b. Parasitism c. Commensalism d. Interspecific competition
5 step solution
Problem 5
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 that it lives on or in e. two species access a resource
3 step solution
Problem 7
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
4 step solution
Problem 9
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
3 step solution
Problem 10
Species richness is greatest in communities ____________. a. near the equator b. in temperate regions c. near the poles d. that recently formed
4 step solution
Problem 11
If you remove a species from a community, the population size of its main __________ is likely to increase. a. parasite b. competitor c. predator
4 step solution
Problem 12
___________ steal parental care. a. Mutualists b. Commensalists c. Brood parasites d. Predators
4 step solution
Problem 13
The oldest established land communities are ____________. a. in the Arctic b. in temperate zones c. in the tropics d. on volcanic islands
3 step solution
Problem 14
Biological control of pest species ____________. a. has no side effects b. involves mutualists c. uses natural enemies d. requires use of chemicals
3 step solution