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3.2 Energy, Producers, Consumers

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Primary producers "also called autotrophs"
get their energy from the sun (self feeders)
Photosynthesis
process to make energy from light
ex. plants (autotrophs)
Chemosynthesis
process to make energy from chemicals
ex. deep sea worms
heterotrophs
animals, fungi, bacteria have to acquire energy from other organisms
Consumers
organisms that eat other organisms
Carnivores
kill and eat other animals
detritivores
feed on detritus particles
herbivores
eat plants "vegetation"
scavengers
eat already dead animals
omnivores
eat both meat and plants
decomposers
feed by chemically breaking down organic matter