3.3 Flashcards
Trophic Levels
Producers
Primary consumers
secondary consumers
tertiary consumers
quaternary consumers
Herbivore
Eats only plants
Heterotroph
Eats others
Omnivore
Eats both plants and animals
Autotroph
Makes own food
Carnivore
Eats/hunts living animals
Detritivore
Eats dead things
Keystone species
Influential ecological role on all species and increase diversity in a habitat.
Trophic cascade
Shows all effects on each species to another, in direct and direct. Shows that all species are connected.
Describe differences between food web and trophic cascade diagrams
Food webs show direct effects and the species place in the environment. Trophic cascade shows all relationships and effects on all species direct and indirect showing they are all connected.
Find the trophic levels:
Fox
l
Bunny
l
Carrot
Fox (2)
l
Bunny (1)
l
Carrot (P)
What will happen if foxes leave the ecosystem?
————-+—————>
fox_-__>bunny__-_>carrot
Bunny populations will increase and carrots will decrease.