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Ecology: INTERACTIONS OF LIVING THINGS
Test Description: Interactions of living things
Instructions: Answer all questions to get your test result.
1) What word describes the plants and animals in an environment?
A
biosphere
B
abiotic
C
population
D
biotic
2) Which of the following is biotic?
A
water
B
plant
C
soil
D
air
3) Organisms that can make their own food from sunlight are called _______________.
A
herbiovores
B
decomposers
C
consumers
D
producers
4) The largest population an environment can support is its __________________.
A
biosphere
B
limiting factor
C
carrying capacity
D
symbiosis
5) Young wasps living on a caterpillar and using it for nutrients is an example of __________________.
A
commensalism
B
competition
C
parasitism
D
mutualism
6) Several populations living together is a ____________________.
A
consumer
B
biosphere
C
food chain
D
community
7) Herbivores, carnivores, and omnivores are all ________________.
A
consumers
B
decomposers
C
autotrophs
D
producers
8) If you made a chart of all of the living things in your yard and drew arrows to show the flow of energy, this would be an example of a ________________.
A
food web
B
energy pyramid
C
ecosystem chart
D
food chain
9) What fixes nitrogen for plants to use?
A
bacteria
B
producers
C
worms
D
carnivores
10) Two members of the same species fight to get the same food source. This is an example of ____________________.
A
commensalism
B
mutualism
C
competition
D
parasitism
11) Which is an example of an abiotic factor changing in an area?
A
drought (less water)
B
increase in algae
C
new type of plant
D
two species of birds competing
12) The communities of organisms interacting with abiotic factors is called an _________________________________.
A
biosphere
B
ecoweb
C
population
D
ecosystem
13) Herbivores eat
A
animals
B
decomposers only
C
plants
D
plants and animals
14) Omnivores eat _____________.
A
plants and animals
B
animals only
C
plants only
D
decomposers only
15) If one species disappears, the ecosystem will be ____________________.
A
die out
B
benefit
C
unaffected
D
out of balance
16) A chart showing all of the ways energy is trasferred between organisms in an ecosystem is called ____________________.
A
a food chain
B
an energy pyramid
C
an ecosystem
D
a food web
17) There is ______________ energy available at the top of an energy pyramid
A
more
B
less
C
too much
D
an equal amount of
*select an answer for all questions
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