Flashcards in Food Webs and Food Chains Deck (7)
what is a food web?
a system of interlocking and interdependent food chains.
what is a food chain?
a series of organisms dependant on the next as a source of food, always beginning with a producer and typically ending with an apex predator or decomposer.
what is a trophic level?
any of the sequential stages in a food chain occupied by producers at the bottom and primary, secondary, and tertiary consumers consecutively.
what is a producer?
producers are organisms that make energy through their own biochemical processes.
what is a consumer?
consumers are organisms that need to eat food to obtain energy.
what is a decomposer?
decomposers are organisms that break down dead or decaying waste.