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19 Cards in this Set
- Front
- Back
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Ecosystem |
All the living and non-living things that interact in a particular area |
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Habitat |
The place where an organism lives and that provides the things the organism needs |
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Biotic Factor |
The living parts of an ecosystem |
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Abiotic Factor |
The nonliving parts of an ecosystem |
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Photosynthesis |
Using water along with sunlight and carbon dioxide, to make food |
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Species |
A group of organisms that are physically similar and can reproduce with each other to produce fertile offspring. |
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Population |
All the members of one species in a particular area |
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Community |
All the different populations that live together in a area |
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Ecology |
The study of how living things interact with eachother and with their environment |
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Population density |
One way to state the size of a population |
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Estimate |
An approximation of a number, based on reasonable assumptions |
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Birth rate |
The number of births in a population in a certain amount of time |
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Immigration |
Moving into a population |
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Emigration |
Leaving a population |
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Limiting factor |
An enviornmental factor that prevents a population from increasing |
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Carrying capacity |
The largest population that an environment can support |
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Natural selection |
The changes that make organisms better suited to their enviornment |
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Adaption |
The behaviors and physical characteristics of species that allow them to live succesfully in their enviornment. |
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Niche |
An organism's particular role, or how it makes its living |
