Populations And Communities - Part 3 Question Preview (ID: 7658)


Based On Prentice Hall's Environmental Science, Chapter 1. TEACHERS: click here for quick copy question ID numbers.

The struggle between organisms to survive as they attempts to use the same limited resource.
a) competition
b) predation
c) symbiosis
d) parasitism

An interaction in which one organism kills another for food.
a) competition
b) predation
c) symbiosis
d) parasitism

The organism that does the killing in a predation interaction.
a) parasite
b) host
c) predator
d) prey

An organism that is killed and eaten by another organism.
a) parasite
b) host
c) predator
d) prey

A close relationship between two species that benefits at least one of the species.
a) symbiosis
b) mutualism
c) commensalism
d) parasitism

A relationship between two species in which both species benefits.
a) symbiosis
b) mutualism
c) commensalism
d) parasitism

A relationship between two species in which one species benefits and the other is neither helped nor harmed.
a) symbiosis
b) mutualism
c) commensalism
d) parasitism

A relationship in which one organism lives on or in a host and harms it.
a) symbiosis
b) mutualism
c) commensalism
d) parasitism

The organism that benefits by living on or in a host in a parasitism interaction.
a) parasite
b) host
c) predator
d) prey

The organism that a parasite lives in or on in a parasitism interaction.
a) parasite
b) host
c) predator
d) prey

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