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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
competitor
B
niche
C
predator
D
parasite
2) A relationship in which two organisms live in close association, such as mutualism and commensalism, is called ____________________.
A
predation
B
a niche
C
symbiosis
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
niche
B
habitat
C
territory
D
environment
4) The three main properties used to describe a population are ____________________, ____________________, and ____________________.
A
age, density,size
B
size, density, dispersion
C
dispersion, density, age
D
density, demographics, size
5) Which of the following reproductive situations will limit a population’s biotic potential?
A
the maximum number of offspring each individual can produce
B
the minimum number of offspring each pair can produce
C
the number of interactions each individual has
D
the size of offspring each individual can produce
6) Competition for food cannot occur
A
among members of the same population.
B
between animals from two different ecosystems.
C
between two populations.
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
number of individuals in the species.
B
reproductive potential of the species.
C
supply of the most limited resources.
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
grow
B
shrink
C
disperse randomly
D
remain the same
9) Which of the following would most likely cause a large number of density-independent deaths in a population?
A
limited resources
B
disease-carrying insects
C
predators
D
winter storms
10) The relationship between a Canadian lynx and a snowshoe hare is an example of
A
mutualism
B
predator and prey.
C
parasite and host.
D
competition
*select an answer for all questions
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