Unit 2 List 1 Ecology Flashcards
Abiotic Factors
a non-living part of an ecosystem
Autotrophs
Makes its own food
Biotic Factors
Living parts of an ecosystem
Bioaccumulation
an increase in the concentration of a chemical in a biological organism over time
Carbon Sink
anything that absorbs more carbon from the atmosphere than it releases
Carnivore
Meat eater
Commensalism
A relationship where one benefits and the other isn’t harmed
Competition
Fighting for food, land, etc
Energy Pyramid
a model that shows the flow of energy
Decomposer
breaks down dead organisms
Consumer
Eats producers
Ecosystem
a biological community of interacting organisms and their physical environment.
Food Chain
the sequence of transfers of matter and energy in the form of food from organism to organism
Food Web
consists of all the food chains in a single ecosystem.
Habitat
Natural home of an organism