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21 Cards in this Set
- Front
- Back
Ecology
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The study of the interactions of living organisms with one another and with their environment
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Habitat
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A place where a particular population of species lives
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Community
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The many different species that live together in a habitat
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ecosystem
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A system including a community and all the physical aspects of its habitat.
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Abiotic Factor
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The physical aspects of a habitat
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Biotic factor
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Living organisms in a habitat
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Biodiversity
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The variety of species living within an ecosystem
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Pioneer species
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Small, fast growing plants that are the first organisms to live in a new habitat
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Succession
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The regular progression in which two or more species live together in a close, long term association
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Primary Succession
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Succession that occurs in a newly formed habitat that has never before sustained life
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Secondary succession
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An episode of succession that occurs on areas where there has been previous growth.
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Primary productivity
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The amount of organic material that the photosynthetic organisms of an ecosystem produce.
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Producers
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Organisms that make its own food from energy (sun)
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Trophic level
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A step in the food chain ex. Decomposers, Consumers,
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consumer
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An organism that gets is energy from eating other organisms , Heterotroph
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Food chain
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Linear pathway of energy transfer in an ecosystem
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detrivore
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A scavenger, organism that eats dead organisms
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decomposer
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Organisms that cause decay of organic material
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Food web
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A network of interconnected food chains in an ecosystem
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Energy pyramid
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Diagram that depicts each trophic layer
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Biomass
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The drywieght of tissue and other organic matter found in an ecosystem.
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