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Environmental Science Review
Test Description: Chapter 8
Instructions: Answer all questions to get your test result.
1) A liver fluke is a(n) ____________________ that harms its host as it obtains food.
A
predator
B
niche
C
competitor
D
parasite
2) 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
3) A species’ ____________________ includes that species’ physical home, the environmental factors necessary for that species’ survival, and all its interactions with other organisms.
A
environment
B
territory
C
habitat
D
niche
4) The three main properties used to describe a population are ____________________, ____________________, and ____________________.
A
age, density,size
B
density, demographics, size
C
dispersion, density, age
D
size, density, dispersion
5) Which of the following reproductive situations will limit a population’s biotic potential?
A
the size of offspring each individual can produce
B
the maximum number of offspring each individual can produce
C
the number of interactions each individual has
D
the minimum number of offspring each pair can produce
6) 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.
7) The carrying capacity of an environment for a particular species at a particular time is determined by the
A
reproductive potential of the species.
B
supply of the most limited resources.
C
number of individuals in the species.
D
distribution of the population.
8) 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
shrink
B
remain the same
C
grow
D
disperse randomly
9) Which of the following would most likely cause a large number of density-independent deaths in a population?
A
limited resources
B
predators
C
winter storms
D
disease-carrying insects
10) The relationship between a Canadian lynx and a snowshoe hare is an example of
A
competition
B
predator and prey.
C
parasite and host.
D
mutualism
*select an answer for all questions
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