The study of the interaction between organisms and the environment they live in.
The non living factors of an ecosystem.
The living factors of an ecosystem.
The specific time or place in which an organism lives with in it's community.
An organism that is capable of producing it's own energy.
An organism that is not capable of making it's own energy and must consume living organisms to supply energy.
Organisms that eat dead or decaying organisms.
A group of organisms that can interbreed.
A group of interdependent organisms that live together in a specific habitat.
A biological community of interacting organisms and their physical environment.
When an organism enters an ecosystem.
When an organism leaves an ecosystem.
An organism that is not native to a particular ecosystem.
An organism that is native to a particular ecosystem.
The process by which a plant or animal community successively gives way to another until a stable climax community is reached.
When two or more organisms live in close association. Can be either beneficial, detrimental or neutral to the organisms.
An interaction between organisms or species, in which the ability to survive of one is lowered by the presence of another.
Competition between two organisms of different species.
Competition between two organisms of the same species.
The total amount of organisms a given ecosystem can sustain.
An organism that eats only meat.
An organism that eats only plants.
An organism that eats both plants and animals.
Type of symbiosis where both organisms benefit.
Type of symbiosis where one organism benefits and the other gets hurt.
Type of symbiosis where one organism benefits and the other in not effected at all.