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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
micro organisms
B
birds
C
water
D
rabbits
2) Don went to the park and witness many biotic factors. Which of the following are biotic factors?
A
fish
B
water
C
rocks
D
temperature
3) An autotroph living in a ecosystem could also be called
A
a decomposer
B
a scavenger
C
a consumer
D
a producer
4) All the populations of organisms living together in an environment are called the -
A
community
B
organism
C
population
D
ecosystem
5) All the biotic and abiotic in an environment make up -
A
a community
B
a population
C
an organism
D
an ecosystem
6) All the organisms of the same kind living in the same environment is called -
A
organisms
B
population
C
ecosystem
D
community
7) If the following factor was increase, it would decrease the amount of biotic factors in an ecosystem. What is it?
A
producers
B
autotrophs
C
decomposers
D
consumers
8) What organism does a food chain always begin with?
A
consumer
B
population
C
decomposer
D
producer
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
fish, water, sea horses
D
temperature, sunlight, rocks
*select an answer for all questions
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