Population Test

direct,an interaction or impact felt by organisms "connected" in a food chain or food web

indirect,an interaction or impact felt by organisms in the same ecosystem but who are not "directly connected" in a food chain or food web

Biotic,the living factors (are living, were living/dead, came from living) of an ecosystem (CH 4)

Abiotic,the nonliving (never were alive, never will be alive) factors of an ecosystem

Ecology,the study of how living organisms interact with each other and with their nonliving environment (CH 1)

Ecosystem,all of the living organisms in an area and the nonliving environment (CH 4)

Habitat,the place where an organism lives,

Food Chain,a single pathway/sequence of organisms that shows feeding relationships and energy transfer. (CH 5)

Food Web,multiple pathways/sequences of organisms that interconnect and show feeding relationships with other organisms in an ecosystem. (CH 5)

Producer/autotroph,an organism that makes its own food, typically a plant (CH 5)

Herbivore,an organism that only eats plants/producers. (CH 5)

Omnivore,an organism that eats both producers/plants and consumers/animals. (CH 5)

Carnivore,an organism that eats only other consumers/animals. (CH 5)

Trophic Level,A step in a food web that energy is transferred through. (CH 5)