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Ecology
Test Description: To prep for the upcoming test.
Instructions: Answer all questions to get your test result.
1) Which resource below is an abiotic factor?
A
Decomposers
B
Temperature
C
Producers
D
Consumers
2) The symbiotic relationship term used to describe when one organism benefits from the relationship and the other does not benefit nor is harmed.
A
Mutualism
B
Predator/Prey
C
Commensalism
D
Parasitsm
3) Artificial reefs help the marine ecosystem by:
A
Providing shelter
B
Providing less protection for small fish
C
Providing more oxygen
D
Allowing for areas of oil drilling
4) In a predator/prey graph, the predator line -
A
Leads the prey line and shows larger numbers of organisms.
B
Follows the prey line and shows smaller numbers of organisms.
C
Leads the prey line and shows smaller numbers of organisms.
D
Follows the prey line and shows larger numbers of organisms.
5) Invasive species usually do well in an ecosystem because-
A
They have no predators.
B
They are smarter.
C
They are stronger and faster.
D
They are better adapted for the new habitat.
6) How much energy gets passed upward, in a food pyramid, from one trophic level to the next?
A
10%
B
100%
C
1000%
D
1%
7) Bacteria are important in a food web. They are called -
A
Consumers
B
Predators
C
Decomposers
D
Producers
8) A tapeworm grows in the intestines of a pig. The pig is the -
A
Producer
B
Host
C
Predator
D
Parasite
9) An ecosystem is able to sustain 5 black bears. The number of black bears is called the -
A
limiting factor
B
ecosystem gradient
C
biotic number
D
carrying capacity
10) Water flows from a power plant and into a river. The water is warm and kills off life in a section of river. This type of pollution is called-
A
Air Pollution
B
Biotic Pollution
C
Thermal Pollution
D
Organism Pollution
*select an answer for all questions
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