click below
click below
Normal Size Small Size show me how
amin2
biology
| Question | Answer |
|---|---|
| 5-1 logistic growth | occurs when a populations growth slows or stops following a period of exponential growth |
| carrying capcity | largest number of individuals of a population that a given environment can support |
| 5-3 demography | the scientific study of human population |
| demographic transition | a dramatic change in birth and death rates |
| 6-1 green revolution | modern agricultural techniques were introduced, such as monoculture and the use soy chemical fertilizers. this effort came to be know as green revolution |
| 6-2 renewable resource | can regenerate if they are alive or can be replenished by biochemical cycles if they are nonliving |
| pollutant | is a harmful material that can enter the biosphere through the land air or water |
| 6-3 biodiversity | is the sum total of the genetically based variety of all organisms in the biosphere. |
| biological magnification | concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or food web. |