Chapter 13.4 Flashcards
what is a food chain
a model that shows the linear sequence of feeding relationships
what models the flow of energy in an ecosystem?
food chains
food webs
how does a food chain link species?
by their feeding relationships
what connection does a food chain follow?
the connection between one producer and a single chain of consumers within an ecosystem.
are consumers all like?
no
what are the types of consumers (5).
explain what they do.
herbivores- eat only plants
carnivores- eat only animals
omnivores- eat both plants and animals
detritivores- eat dead organic matter
decomposers- detritivores that break down organic matter into simpler compunds
what are specialists?
consumers that primarily eat one specific organism or a very small number of organisms.
what are generalists?
consumers that have a varying diet.
what are trophic levels?
nourishment levels in a food chain.
what are primary consumers?
herbivores that eat producers.
what are secondary consumers?
carnivores that eat herbivores
what are tertiary consumers?
carnivores that eat secondary consumers.
what does a food web show?
a complex network of feeding relationships.
how many feeding relationships can an organism have in an ecosystem?
multiple
what does a food web emphasize?
complicated feeding relationships and energy flow in an ecosystem
