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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 change the physical resources.
B
They all survive.
C
They all move to a new ecosystem.
D
They adapt or die.
3) What is an ecosystem?
A
the nonliving things in an environment
B
one individual in an environment
C
the living things in an environment
D
the nonliving and living things in an environment
4) What tool do you need to use bacteria?
A
microscope
B
magnifying glass
C
glasses
D
telescope
5) Which of the following is not an adaptation?
A
pollinating flowering plants
B
learning to open trash cans
C
migrating to a warmer climate
D
changing skin color through camoflauge
6) How does pollination help plants?
A
with repoduction
B
with growth
C
with gathering sunlight
D
with accommodations
7) Which of the following is not a way mircoorganisms benefit humans?
A
providing shelter
B
providing medicine
C
making oxygen
D
helping to digest food
8) Which group has the greatest number of different kinds of organisms?
A
individual
B
organism
C
community
D
population
9) Which of the following is a microorganism?
A
grass
B
deer
C
oak tree
D
mold
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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