Ecology vocbaluary Flashcards
Abiotic Factors
A non-living part of an ecosystem that shapes its environment
Autotrophs
An organism that serves as a primary producer in a food chain.
Biotic Factors
Living things within an ecosystem.
Bioaccumulation
An increase in the concentration of a chemical in a biological organism over time, compared to the chemical’s concentration in the environment.
carbon sink
Anything that absorbs more carbon from the atmosphere than it releases
carnivore
An animal that feeds on other animals.
commensalism
An association between two organisms in which one benefits and the other derives neither benefit nor harm.
competition
An interaction between organisms or species in which both require a resource that is in limited supply.
consumer
A person who purchases goods and services for personal use.
decompser
An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
ecosystem
A biological community of interacting organisms and their physical environment.
energy pyramid
A model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem.
food chain
A linear sequence of organisms through which nutrients and energy pass as one organism eats another
food web
Consists of all the food chains in a single ecosystem.
habitat
The natural home or environment of a plant, animal, or other organism.