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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
resources
D
ecosystems
2) Environments include both _____ and _____ things.
A
air; water
B
resources; factors
C
buildings; animals
D
living; nonliving
3) For populations to continue to survive, some organisms in the population must _________.
A
die
B
grow
C
reproduce
D
eat
4) Characteristics such as height, hair color, and eye color are ________ factors.
A
environmental
B
genetic
C
ecosystem
D
population
5) Ecosystems depend on organisms to ________ with each other to maintain stability.
A
build
B
eat
C
interact
D
grow
6) Organisms are the ________ things in an ecosystem.
A
nonliving
B
factors
C
living
D
resources
7) Air, water, and sunlight are all ________ components of an ecosystem.
A
nonliving
B
man-made
C
factors
D
living
8) Wildlife biologists study _____.
A
farm animals
B
only plants
C
populations in ecosystems
D
only wild animals
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
just visiting
B
not friendly
C
beneficial
D
not native
11) What is a community of interacting organisms and their environment called?
A
ecosphere
B
habitat
C
life cycle
D
ecosystem
12) What member of an ecosystem produces oxygen, and also provides homes for animals?
A
rocks
B
birds
C
soil
D
plants
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 be underwater
D
it must have heat
14) What makes a healthy ecosystem?
A
balance
B
water
C
animals
D
invasive species
15) How can humans reduce our negative effect on ecosystems?
A
logging
B
introducing invasive species
C
recycling
D
deforestation
16) Which are examples of non-living parts of an ecosystem?
A
water
B
all of the above
C
soil
D
air
*select an answer for all questions
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