Environmental Science Review Question Preview (ID: 40307)
Chapter 8.
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A liver fluke is a(n) ____________________ that harms its host as it obtains food.
a) predator
b) parasite
c) competitor
d) niche
A relationship in which two organisms live in close association, such as mutualism and commensalism, is called ____________________.
a) symbiosis
b) a niche
c) predation
d) competition
A species’ ____________________ includes that species’ physical home, the environmental factors necessary for that species’ survival, and all its interactions with other organisms.
a) territory
b) habitat
c) niche
d) environment
The three main properties used to describe a population are ____________________, ____________________, and ____________________.
a) size, density, dispersion
b) density, demographics, size
c) age, density,size
d) dispersion, density, age
Which of the following reproductive situations will limit a population’s biotic potential?
a) the minimum number of offspring each pair can produce
b) the maximum number of offspring each individual can produce
c) the size of offspring each individual can produce
d) the number of interactions each individual has
Competition for food cannot occur
a) between two populations.
b) among members of the same population.
c) between animals from two different ecosystems.
d) among populations whose niches overlap.
The carrying capacity of an environment for a particular species at a particular time is determined by the
a) number of individuals in the species.
b) distribution of the population.
c) reproductive potential of the species.
d) supply of the most limited resources.
If over a long period of time, each pair of adults in a population had only two offspring and the offspring lived to reproduce, the population would
a) grow
b) shrink
c) remain the same
d) disperse randomly
Which of the following would most likely cause a large number of density-independent deaths in a population?
a) winter storms
b) disease-carrying insects
c) predators
d) limited resources
The relationship between a Canadian lynx and a snowshoe hare is an example of
a) parasite and host.
b) predator and prey.
c) competition
d) mutualism
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