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Ecosystems Review (7th)
Test Description: Review for 2020 OL digital learning
Instructions: Answer all questions to get your test result.
1) Which is NOT an example of a biotic factor?
A
bald eagle
B
bacteria
C
sunlight
D
grass
2) Which term refers to the part of an environment that fulfills all the biological needs of a plant or animal??
A
habitat
B
ocean
C
house
D
environment
3) What is a niche?
A
a species of plant
B
a species of animal
C
the role or job an organism fills in it's environment
D
a type of underwater habitat
4) Which of the following refers to all of the LIVING components of an ecosystem?
A
biotic
B
niche
C
biotrope
D
abiotic
5) An ecosystem is composed of __________ and __________ factors interacting with each other.
A
producer, decomposer
B
biotic, abiotic
C
plant, animal
D
land, water
6) What is an abiotic factor?
A
Where an organism lives
B
Something that is not living (rocks, light, wind)
C
A specific job that an organism has
D
Something that is living (plants, animals, bacteria)
7) A synonym for biotic is...
A
biocenosis
B
biotrope
C
abiotic
D
ecosystem
8) A synonym for abiotic is...
A
biocenosis
B
biotic
C
ecosystem
D
biotrope
9) Ecosystems can be divided into which two groups?
A
alive, extinct
B
terrestrial, aquatic
C
plant, animal
D
biotic, abiotic
10) Which of the following is an aquatic ecosystem?
A
forest
B
tundra
C
desert
D
ocean
11) Which of the following is a terrestrial ecosystem?
A
ocean
B
river
C
lake
D
forest
12) Which is of the following is most important to helping an ecosystem thrive?
A
Decomposers
B
Consumers
C
A healthy ecosystem needs all of these
D
Producers
*select an answer for all questions
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