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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
Producers
C
Temperature
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
Commensalism
B
Parasitsm
C
Mutualism
D
Predator/Prey
3) Artificial reefs help the marine ecosystem by:
A
Providing less protection for small fish
B
Providing more oxygen
C
Providing shelter
D
Allowing for areas of oil drilling
4) In a predator/prey graph, the predator line -
A
Follows the prey line and shows smaller numbers of organisms.
B
Leads the prey line and shows smaller numbers of organisms.
C
Follows the prey line and shows larger numbers of organisms.
D
Leads the prey line and shows larger numbers of organisms.
5) Invasive species usually do well in an ecosystem because-
A
They are smarter.
B
They are stronger and faster.
C
They have no predators.
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
1000%
B
10%
C
100%
D
1%
7) Bacteria are important in a food web. They are called -
A
Predators
B
Decomposers
C
Producers
D
Consumers
8) A tapeworm grows in the intestines of a pig. The pig is the -
A
Producer
B
Parasite
C
Host
D
Predator
9) An ecosystem is able to sustain 5 black bears. The number of black bears is called the -
A
biotic number
B
carrying capacity
C
ecosystem gradient
D
limiting factor
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
Biotic Pollution
B
Air Pollution
C
Organism Pollution
D
Thermal Pollution
*select an answer for all questions
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