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8.11A
Test Description: Review
Instructions: Answer all questions to get your test result.
1) All food chains begin with...
A
The sun
B
Producers
C
Decomposers
D
Consumers
2) Arrows in a food chain point...
A
Toward the lowest trophic level
B
In the direction of energy flow
C
Toward the organisms being eaten
D
Toward the trophic level with the least biomass
3) Which organism uses the sun's energy to create it's own food?
A
Primary Consumers
B
Secondary Consumers
C
Autotrophs
D
Decomposers
4) Which organisms gain energy by eating herbivores?
A
Detritiovres
B
Secondary Consumers
C
Tertiary Consumers
D
Decomposers
5) Which organisms hunt other organisms for food?
A
Predator
B
Parasite
C
Autotroph
D
Prey
6) Which organism steals energy from other organisms?
A
Prey
B
Parasite
C
Host
D
Predator
7) What do we call organisms that eat dead organisms but do not return nutrients to the soil?
A
Predators
B
Autotrophs
C
Producers
D
Detritivores
8) Organisms at the top of a food chain are called...
A
Detritivores
B
Apex Predators
C
Tertiary consumers
D
Producers
9) How much energy is conserved from one trophic level to the next?
A
90%
B
10%
C
50%
D
20%
10) A relationship where one organism benefits and another organism is harmed is called...
A
Mutualism
B
Pluralism
C
Parasitism
D
Commensalism
11) Which organism eats only plants?
A
Parasite
B
Omnivore
C
Carnivore
D
Herbivore
12) Predator prey relationships within a food web are indicated by...
A
An arrow pointing from the prey to the predator
B
An arrow pointing from the predator to the prey
C
An arrow pointing from the producer to the consumer
D
An arrow pointing from the predator to another organism
*select an answer for all questions
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