PYRAMIDS OF BIOMASS
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Last updated 3:06 PM on 2/26/23
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15 Terms
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What does a food chain show
The feeding relationships between organisms and the biomass transfer
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What are trophic levels
The stages in a food chain
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How are trophic levels represented
Trophic levels are represented by numbers, starting from 1
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What is trophic level 1
Producers
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What are producers
plants/algae that make their own food through photosynthesis
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What is trophic level 2
Primary Consumers
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What are primary consumers
Herbivores which eat producers
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What is trophic level 3
Secondary Consumers
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What are secondary consumers
Carnivores which eat herbivores
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What is trophic level 4
Tertiary Consumers
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What are tertiary consumers
Carnivores that eat other carnivores
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What is an apex predator
A carnivore with no predators
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How do decomposers break down dead matter
Release enzymes
Catalyse breakdown of dead material into soluble small materials
Molecules then diffuse into microorganisms
Catalyse breakdown of dead material into soluble small materials
Molecules then diffuse into microorganisms
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What is a biomass pyramid
A pyramid that shows the total biomass of organisms at each trophic level
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What is biomass
Mass of all of the living organisms in an area
Note 
Flashcards (47)