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Ecological Terminology Vocabulary

Terms in this set (33)

Biosphere
Made up of all the parts of Earth where life is found.
Ecology
The study of the interactions between organisms and their environment.
Biotic Factors
The living things in the environment (plants, animals, fungi,, protists, and monerans).
Abiotic Factors
The nonliving things in the environment
Ecosystem
A community interacting with the abiotic parts of its environment.
Community
Made up of all the populations in the same place at the same time.
Habitat
The place where an organism lives in a community
Population
Formed by the organisms of one species living together in the same place at the same time.
Competition
The rivalry for survival and food.
Mimicry
The close external resemblance of an organism to some different organism.
Mutualism
Both species benefit from the relationship.
Parasitism
One species benefits while the other is harmed.
Commensalism
One species benefits while the other is not affected.
Symbiosis
The relationship when two or more organisms live together.
Species
The major subdivision of a genus or subgenus.
Herbivore
An animal that feeds on grass and other plants.
Carnivore
An animal that eats flesh.
Food Web
A series of organisms related by predator-prey and consumer-resource interactions.
Food Chain
A series of organisms interrelated in their feeding habits.
Producer
An organism that serves as a source of food for other organisms in a food chain.
Consumer
An organism that feeds on other organisms in a food chain.
Energy Pyramid
A pyramid that shows how energy is transferred through an ecosystem.
Niche
The role of a species within a community.
Pioneer Species
The first species to return or grow.
Limiting Factor
Something that limits the population growth.
Climax Community
A community that is able to maintain a balance between abiotic and biotic factors.
Camouflage
A defense tactic organisms use to change color and match with its background.
Population Density
The number of individuals per unit of living space.
Succession
The gradual change in a community over time.
Primary Succession
The development of a new communities in newly created land areas.
Secondary Succession
A gradual return of a disturbed area to its former community.
Indigenous Species
A species that is native to the area
Invasive Species
A species that is disrupting the natural balance of an ecosystem
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