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Ecosystems
Test Description: Organisms and their environment
Instructions: Answer all questions to get your test result.
1) Which of the following are abiotic factors?
A
rabbits
B
birds
C
water
D
micro organisms
2) Don went to the park and witness many biotic factors. Which of the following are biotic factors?
A
water
B
rocks
C
fish
D
temperature
3) An autotroph living in a ecosystem could also be called
A
a decomposer
B
a producer
C
a consumer
D
a scavenger
4) All the populations of organisms living together in an environment are called the -
A
ecosystem
B
organism
C
population
D
community
5) All the biotic and abiotic in an environment make up -
A
an organism
B
a community
C
an ecosystem
D
a population
6) All the organisms of the same kind living in the same environment is called -
A
organisms
B
population
C
community
D
ecosystem
7) If the following factor was increase, it would decrease the amount of biotic factors in an ecosystem. What is it?
A
producers
B
consumers
C
autotrophs
D
decomposers
8) What organism does a food chain always begin with?
A
population
B
producer
C
decomposer
D
consumer
9) All the squirrels, insects, and trees in an area make up -
A
an organism
B
a population
C
a community
D
an ecosystem
10) Which of the following choices are only abiotic factors?
A
mountains, insects, rocks
B
lions, grass, trees
C
temperature, sunlight, rocks
D
fish, water, sea horses
*select an answer for all questions
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