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Standard 4 Part 1

Standard 4 Part 1 Vocabulary Words

TermDefinition
Population A group of organisms of the same species that live in a specific geographical area.
Limiting factor Any factor that limits the size of a population.
Succession Replacing one type of community by another at a specific location, over a period of time.
Mutualism A relationship between two species in which both species benefit.
Energy pyramid A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain.
Commensalism A relationship between two organisms in which one organism benefits and the other is unaffected.
Parasitism A relationship between two species in which one species benefits and the other species is harmed.
Ecosystem A community of organisms and abiotic environment.
Food web A diagram that shows the feeding relationship between organisms in an ecosystem.
Competition Two or more individuals or populations try to use the same resource, such as food, water, shelter, space, sunlight, mates, etc.
Carrying capacity The largest population that an environment can support at any given time.
Aquatic Water.
Biodiversity The number and variety of organisms in a given area during a specific period of time.
Biotic Living parts of the environment.
Abiotic Nonliving parts of the environment.
Ecology The study of how different organisms interact with one another and their environment.
Community All of the populations of species that live in the same habitat and interact with each other.
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