Identify two things that could limit the population of rabbits in a forest.

Describe the potential effects when a keystone species is removed from a community.

The population size of a species capable of being supported by the environment is called its ________. a. limit b. carrying capacity c. biotic potential d. logistic growth pattern

An _______ has another species rear its young. a. mutualist c. brood parasite b. pioneer species d. exotic species

A symbiotic association in which organisms are beneficial to one another is known as (a) predation (b) interspecific competition (c) intraspecific competition (d) commensalism (e) mutualism

When an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the above

An unpalatable species demonstrates its threat to potential predators by displaying (a) character displacement (b) limiting resources (c) cryptic coloration (d) aposematic coloration (e) competitive exclusion

Predation, disease, and competition are examples of _______________ factors. (a) density-dependent (b) density-independent (c) survivorship (d) dispersal (e) semelparous

_______________ competition occurs within a population, and _______________ competition occurs among populations of different species. (a) Interspecific; intraspecific (b) Intraspecific; interspecific (c) Type I survivorship; Type II survivorship (d) Interference; exploitation (e) Exploitation; interference

Describe the mechanisms by which human population growth and resource use causes increased extinction rates.