8.11A Question Preview (ID: 41648)


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All food chains begin with...
a) Producers
b) The sun
c) Consumers
d) Decomposers

Arrows in a food chain point...
a) Toward the organisms being eaten
b) In the direction of energy flow
c) Toward the lowest trophic level
d) Toward the trophic level with the least biomass

Which organism uses the sun's energy to create it's own food?
a) Decomposers
b) Primary Consumers
c) Secondary Consumers
d) Autotrophs

Which organisms gain energy by eating herbivores?
a) Secondary Consumers
b) Decomposers
c) Detritiovres
d) Tertiary Consumers

Which organisms hunt other organisms for food?
a) Prey
b) Parasite
c) Predator
d) Autotroph

Which organism steals energy from other organisms?
a) Host
b) Parasite
c) Predator
d) Prey

What do we call organisms that eat dead organisms but do not return nutrients to the soil?
a) Predators
b) Producers
c) Autotrophs
d) Detritivores

Organisms at the top of a food chain are called...
a) Tertiary consumers
b) Apex Predators
c) Producers
d) Detritivores

How much energy is conserved from one trophic level to the next?
a) 50%
b) 20%
c) 10%
d) 90%

A relationship where one organism benefits and another organism is harmed is called...
a) Mutualism
b) Parasitism
c) Commensalism
d) Pluralism

Which organism eats only plants?
a) Carnivore
b) Herbivore
c) Omnivore
d) Parasite

Predator prey relationships within a food web are indicated by...
a) An arrow pointing from the predator to the prey
b) An arrow pointing from the predator to another organism
c) An arrow pointing from the prey to the predator
d) An arrow pointing from the producer to the consumer

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