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21 Cards in this Set

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