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Fieldman SR
Science review
Term | Definition |
---|---|
trophic levels | comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy. |
population | all the members on one species of a particular area |
community | all the populations in an area |
estuary | the tidal mouth of a large river |
limiting factors | resources are environmental conditions that limit the growth |
commensalism | an association between two organisms in which one benefits and the other derives neither benefit nor harm |
invasive species | organisms that are not native |
food web | a system of interlocking and interdependent food chains |
pyramid of numbers | The number of organisms in a food chain can be represented graphically in a pyramid |
biomass | organic material that comes from plants and animals |
exponential growth | growth whose rate becomes ever more rapid in proportion to the growing total number or size |
symbiosis | interaction between two different organisms living in close physical association |
adaptation | the action or process of adapting or being adapted |
dependent variable | whose value depends on that of another |
habitat fragmentation | process by which habitat loss results in the division of large, continuous habitats into smaller, more isolated remnants |