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27 terms

Quiz 3.1 (Ecology)

Use these cards to study for quiz 3.1.
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Ecology
The study of the interaction between organisms and the environment they live in.
Abiotic
The non living factors of an ecosystem.
Biotic
The living factors of an ecosystem.
Niche
The specific time or place in which an organism lives with in it's community.
Autotroph
An organism that is capable of producing it's own energy.
Heterotroph
An organism that is not capable of making it's own energy and must consume living organisms to supply energy.
Decomposer
Organisms that eat dead or decaying organisms.
Population
A group of organisms that can interbreed.
Community
A group of interdependent organisms that live together in a specific habitat.
Ecosystem
A biological community of interacting organisms and their physical environment.
Immigration
When an organism enters an ecosystem.
Emigration
When an organism leaves an ecosystem.
Invasive
An organism that is not native to a particular ecosystem.
Endemic
An organism that is native to a particular ecosystem.
Succession
The process by which a plant or animal community successively gives way to another until a stable climax community is reached.
Symbiosis
When two or more organisms live in close association. Can be either beneficial, detrimental or neutral to the organisms.
Competition
An interaction between organisms or species, in which the ability to survive of one is lowered by the presence of another.
Interspecific
Competition between two organisms of different species.
Intraspecific
Competition between two organisms of the same species.
Carrying Capacity
The total amount of organisms a given ecosystem can sustain.
Carnivore
An organism that eats only meat.
Herbivore
An organism that eats only plants.
Omnivore
An organism that eats both plants and animals.
Mutualism
Type of symbiosis where both organisms benefit.
Parasitism
Type of symbiosis where one organism benefits and the other gets hurt.
Commensalism
Type of symbiosis where one organism benefits and the other in not effected at all.
Fitness
A measurement of a species ability to reproduce.