biotic factor
Any living part of the environment with which an organism might interact
Ecology
The study of how living things interact with each other and their environment
abiotic factors
Abiotic factors are the non-living parts of an organism's habitat.
Niche
An organism's particular role in an ecosystem, or how it makes its living.
Habitat
The environment in which an organism lives, consist of all the biotic and abiotic factors
Biome
A group of ecosystems that share similar climates and typical organisms, aquatic and terrestrial
Biosphere
part of Earth in which life exists including land, water, and air or atmosphere
Ecosystem
A biological community of interacting organisms and their physical environment.
Community
All the different populations that live together in an area
Population
All the members of one species in a particular area
individual organism
Any single living thing that can sustain life
competition
two or more species fight for some resources
Predator/Prey
Hunter and the hunted. Predators hunt prey are hunted
Symbiosis
how two different living organisms live together and depend on each other
Commensalism
one member of the association benefits and the other is neither helped nor harmed
Parasitism
A relationship in which one organism lives on or inside of another organism and harms it.
Producer
An organism that can make its own food.- all plants
Autotroph
Organisms that make their own food.
Consumer
An organism that obtains energy by feeding on other organisms
Heterotroph
organism that obtains energy from the foods it consumes; also called a consumer
Herbivore
organism that obtains energy by eating only plants
Carnivore
organism that obtains energy by eating animals
Omnivore
organism that obtains energy by eating both plants and animals
Detritivore
organism that feeds on plant and animal remains and other dead matter
Decomposer
An organism that breaks down wastes and dead organisms
trophic levels
Classification of organisms by feeding relationships in hierarchal order.
food chain
A series of steps in which organisms transfer energy by eating and being eaten
food web
A community of organisms where there are several interrelated food chains