Quiz 3.1 (Ecology)

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Use these cards to study for quiz 3.1.

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.

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