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Competition In Ecosystems
Test Description: MS-LS1-5 Competition in Ecosystems
Instructions: Answer all questions to get your test result.
1) Living things depend on many different _________ in order to survive.
A
interactions
B
environments
C
ecosystems
D
resources
2) Environments include both _____ and _____ things.
A
living; nonliving
B
air; water
C
buildings; animals
D
resources; factors
3) For populations to continue to survive, some organisms in the population must _________.
A
reproduce
B
eat
C
grow
D
die
4) Characteristics such as height, hair color, and eye color are ________ factors.
A
population
B
genetic
C
ecosystem
D
environmental
5) Ecosystems depend on organisms to ________ with each other to maintain stability.
A
eat
B
interact
C
build
D
grow
6) Organisms are the ________ things in an ecosystem.
A
nonliving
B
resources
C
factors
D
living
7) Air, water, and sunlight are all ________ components of an ecosystem.
A
factors
B
man-made
C
living
D
nonliving
8) Wildlife biologists study _____.
A
only wild animals
B
populations in ecosystems
C
farm animals
D
only plants
9) Plants compete for air, water, ________ within ecosystems.
A
choices space , and sound
B
sunlight, and wind
C
space, and sunlight
10) An invasive species is a plant or animal that is ________ to an ecosystem.
A
beneficial
B
not friendly
C
not native
D
just visiting
11) What is a community of interacting organisms and their environment called?
A
habitat
B
ecosphere
C
life cycle
D
ecosystem
12) What member of an ecosystem produces oxygen, and also provides homes for animals?
A
birds
B
soil
C
plants
D
rocks
13) What is necessary for an organism to survive in an ecosystem?
A
it must be sunny
B
its specific needs must be met
C
it must have heat
D
it must be underwater
14) What makes a healthy ecosystem?
A
animals
B
invasive species
C
balance
D
water
15) How can humans reduce our negative effect on ecosystems?
A
recycling
B
introducing invasive species
C
logging
D
deforestation
16) Which are examples of non-living parts of an ecosystem?
A
air
B
water
C
soil
D
all of the above
*select an answer for all questions
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