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Ecology
Test Description: Vocabulary
Instructions: Answer all questions to get your test result.
1) What is abiotic factor?
A
a living part of an ecosystem
B
a nonliving part of an ecosystem
2) Define biotic factor
A
a living part of an ecosystem
3) Define carnivore
A
organism that obtains energy by eating animals
4) Define commensalism
A
symbiotic relationship in which one member of the association benefits and the other is neither help
5) Define community
A
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each o
6) Define competition
A
the struggle between organisms to survive in a habitat with limited resources
7) Define consumer
A
an organism that obtains energy by feeding on other organisms
8) Define decomposer
A
organism that breaks down and obtains energy from dead organic matter
9) What is an ecosystem?
A
all the living and nonliving things that interact in an area
10) Describe an energy pyramid
A
a diagram that shows the amount of energy that moves from one feeding level to another in a food web
*select an answer for all questions
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