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Ecosystems
Test Description: Unit 3
Instructions: Answer all questions to get your test result.
1) During an experiment on plant growth students kept track of how tall each plant was for six weeks. What are these height measurements?
A
observations
B
predictions
C
conclusions
D
inferences
2) What happens to living things when the physical environment changes?
A
They all move to a new ecosystem.
B
They change the physical resources.
C
They adapt or die.
D
They all survive.
3) What is an ecosystem?
A
the nonliving and living things in an environment
B
the nonliving things in an environment
C
one individual in an environment
D
the living things in an environment
4) What tool do you need to use bacteria?
A
magnifying glass
B
microscope
C
glasses
D
telescope
5) Which of the following is not an adaptation?
A
pollinating flowering plants
B
changing skin color through camoflauge
C
learning to open trash cans
D
migrating to a warmer climate
6) How does pollination help plants?
A
with growth
B
with repoduction
C
with accommodations
D
with gathering sunlight
7) Which of the following is not a way mircoorganisms benefit humans?
A
helping to digest food
B
making oxygen
C
providing medicine
D
providing shelter
8) Which group has the greatest number of different kinds of organisms?
A
community
B
organism
C
individual
D
population
9) Which of the following is a microorganism?
A
oak tree
B
mold
C
grass
D
deer
10) Which environment or group includes only one kind of living thing?
A
community
B
population
C
ecosystem
D
biome
*select an answer for all questions
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