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a network of food chains that shows all possible feeding relationships
food web
the amount of organic matter comprising a group of organisms in a habitat
biomass
all autotrophs - plants - at the bottom of the food chain
producer
What is a carnivore?
eats meat
eats the food
consumer
They hunt prey.
predators
Feeds on dead animals
scavengers
each link in a food chain, represents a feeding step.
trophic level
Only 10% of the energy moves to the next trophic level ( 90% is lost)
10% rule
What is an omnivore?
eats plants and animals
bacteria that break things down
decomposers
the 3rd to consume
tertiary consumer
primary consumers is usually an ....
herbivore
Which organism would be considered an autotroph, algae or crickets?
algae
an organism that needs to eat, or consume food
heterotroph
the second to eat
secondary consumer
