Modified True/False Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
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1.
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A species is a group of organisms that can
successfully mate with each other and
reproduce. _____________________________________________________________________
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2.
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An ecologist studies only the biotic parts
of an
ecosystem. _____________________________________________________________________
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3.
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The soil under a rock could be described as an
earthworm’s
niche. _____________________________________________________________________
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4.
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Frogs, snails, geese, and sticklebacks could be
found in an ocean ecosystem in Newfoundland and
Labrador. _____________________________________________________________________
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5.
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When we study and ecosystem, we study only the
biotic parts of the ecosystem.
_____________________________________________________________________
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6.
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Many individuals of the same species living
together are called a
community. _____________________________________________________________________
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7.
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An ecological niche is the set of jobs or
roles that an individual fills in an
environment. _____________________________________________________________________
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8.
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Mushrooms and micro-organisms are neither plants
nor animals; they can be described as abiotic
factors. _____________________________________________________________________
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9.
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Air, water, and rocks are essential to life, and
can be described as biotic
factors. _____________________________________________________________________
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10.
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Shrews eat insects and earthworms. The shrew
is an example of a
herbivore. _____________________________________________________________________
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11.
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Spiders eat insects that eat plants. A spider
is an example of a
parasite. _____________________________________________________________________
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12.
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You see a raven eating a road-killed squirrel. That
raven is behaving as a
carnivore. _____________________________________________________________________
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13.
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A food web is a model that shows how
energy is lost at each link in the food
chain. _____________________________________________________________________
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14.
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In a parasitic relationship, the organism that
provides food for the other organism is the
parasite. _____________________________________________________________________
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15.
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An introduced species is a new species that is
brought on purpose into an
ecosystem. _____________________________________________________________________
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16.
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Coyotes are native to the island of
Newfoundland. _____________________________________________________________________
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17.
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Wild raspberry plants are among the first plants to
establish themselves on bare soil after trees have been removed. This is an example of
primary
succession. _____________________________________________________________________
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18.
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The process by which a biological community changes
over time is called
flooding. _____________________________________________________________________
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19.
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Species that can establish themselves in areas with
little or no soil and few nutrients are called climax
species. _____________________________________________________________________
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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20.
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What does an ecosystem consist of?
a. | the abiotic and biotic parts of an
environment | b. | the animals and
biotic parts of an environment | c. | the animals and
plants that live in an environment | d. | the plants and
abiotic parts of an environment |
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21.
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Which of the following best describes an
organism’s habitat?
a. | an organism’s interaction with the abiotic parts
of the ecosystem | b. | an
organism’s interaction with the biotic parts of the ecosystem | c. | the place where an organism lives | d. | the role that an organism plays in an
ecosystem |
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22.
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Which of the following are necessary for the
survival of a squirrel?
a. | food, water, and a community | b. | food, water, and a safe shelter | c. | safe shelter and a habitat | d. | safe shelter and a population |
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23.
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In which ecosystem would you most likely find
seals?
a. | forest | b. | freshwater | c. | ocean | d. | river |
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24.
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Which animals are common to forest ecosystems in
Newfoundland and Labrador?
a. | moose, caribou, black bear | b. | moose, lynx, and raccoons | c. | raccoons, moose, and deer | d. | red fox, lynx, and deer |
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25.
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Which of the following terms means “harmful
substances released by humans into the environment”?
a. | decomposers | b. | fossil fuels | c. | introduced
species | d. | pollutants |
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26.
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Which of these is a pioneer species?
a. | beetle | b. | birch | c. | lichen | d. | maple |
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27.
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Which of these is a climax species?
a. | bacteria | b. | lichens | c. | mosses | d. | spruce |
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28.
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Which groups of animals live in the Newfoundland
and Labrador forest ecosystem?
a. | Moose, lynx, black bear | c. | Moose, raccoon, white-tailed deer | b. | Moose, caribou, raccoon | d. | Red fox, lynx,
grizzly bear |
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29.
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Which defines Mutualism?
a. | Interactions where both organisms
benefit | b. | Interactions where one organism benefits and the other
is harmed | c. | Interactions where one organism benefits and the other
is unaffected. | d. | Interactions where
neither organism benefits. |
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30.
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Which is the best example of
commensalism?
a. | Barnacle on a whale | c. | Tick on a Deer | b. | Brain worm in a
caribou | d. | A parasitic tapeworm |
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31.
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Phytoplankton is a microscopic plant that lives in
freshwater. What role does phytoplankton fill in the ecosystem?
a. | Consumer | c. | Omnivore | b. | Herbivore | d. | Producer |
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32.
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Which process allows plants to make their own
food?
a. | Cellular respiration | c. | Growth | b. | Chemical
synthesis | d. | Photosynthesis |
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33.
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Which is an example of a pioneer
species?
a. | Beetle | c. | Lichen | b. | Birch | d. | Maple |
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34.
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A compost heap will get very hot as it works. What
is the source of the energy?
a. | consumers release heat energy as they eat food in the
heap | b. | decomposers convert some of the food energy to heat
energy | c. | producers release heat energy as they grow in the
heap | d. | scavengers produce a great deal of heat as they move
around |
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35.
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Which of these models best shows how different food
chains interconnect?
a. | energy pyramid | b. | food chain | c. | food
web | d. | nutrient cycle |
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36.
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Which of these words best describes a mouse that
eats wheat and nothing else?
a. | decomposer | b. | primary consumer | c. | producer | d. | secondary
consumer |
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Matching
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Match the term to the appropriate description.
Each term may only be used once. a. | climax
community | g. | sustainable | b. | pioneer species | h. | natural
resources | c. | primary succession | i. | environmental
impact | d. | secondary succession | j. | climate
change | e. | succession | k. | pollutants | f. | monoculture | l. | acid rain |
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37.
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process by which biological communities change
over time
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38.
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can establish themselves with little or no soil
and few nutrients
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39.
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the regrowth of a community in an area that has
changed dramatically after a disturbance
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40.
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precipitation that contains nitrogen and sulfur
combined with water
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