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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Ecosystem-complex |
Interactive systems that include both biological communities (biotic)and physical(abiotic) components of the environment. |
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Biotic (factor) |
Any living thing that affects organisms or the ecosystem. |
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Abiotic (factor) |
Any non-living thing that affects organisms or the ecosystem. |
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Population |
The number of organisms of the same species in a specific area. |
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Population density |
The population per unit area. |
Ex(45,000 people/mi^2, 600 squirrles/km^2, 335,000 wolves per miles squared) |
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Biodiversity |
The level of variety of species in a specific area |
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Density dependent factors |
Things in an ecosystem that is affected by the size of population or increased competition |
Ex: Food, Shelter, Water, Predation, Parasitism. |
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Density independent factors |
Things in an ecosystem that is NOT affected by the size of population. |
Ex: Whether conditions, Pollution, Natural disasters. |
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Salinity |
The level of salt dissolved in water or a liquid I.e saltiness. |
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Genetic variation |
The level of diversity of DNA of a specific species in an area. |
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Mutation |
A change in DNA or nucleotide sequence either in an individual or species. |
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