Food Chains and Food webs Flashcards
what do food chains and food webs model?
they model the flow of energy in an ecosystem
what is a food chain?
it is a model that shows a sequence of feeding relationships
how does a food chain connect?
it has one producer and a single chain of consumers
what are herbivores
only eat plants
what are carnivores
only eat animals
what are omnivores
eat both animals and plants
what are detritivores?
eat dead organic matter
what are decomposers?
detritivores that break down organic matter into simpler compounds.
what are specialists
consumers that eat one specific organism or a very small number of organisms.
what are generalists?
consumers that have a varying diet.
what are trophic levels?
the nourishment levels in a food chain.
what does a food web do?
it shows a complex network of feeding relationships
what are the names of the main trophic levels?
producers, primary consumers, secondary consumers, tertiary consumers.
