Food chains and food webs Flashcards
_______ _________ model the flow of en- in an ecosystem
Food chains/webs
model that shows a sequence of feeding relationships
food chain
links soecies by their feeding relations
food chain
follows the connections b/w 1 producer and a single chain of consumers within ecosystem
food chain
r not all alike
consumers
only eat plants
herbivores
only animals
carnivores
both animals and plants
omnivores
dead organic matter
detritivores (worms)
detritivores that break organic matter into simpler compounds
decomposers
consumers that primarily eat 1 specific organism (or small variation)
specialists
consumers with varying diet
generalists
the nourishment levels in a food chain
trophic levels
herbivores that eat producers
primary consumeres
carnivores that eat herbivores
2ndary consumers
conivores that eat 2ndary consumeres
tertiary consumers
eat both, may be listed at diff trophic levels in diff food chain
omnivores (us)
show complex network of feeding relations
food webs
may have mult feeding relations in ecosystem
organism
emphasizes complicated feeding relations and en- flow in ecosystem
food webs