| A | B |
|---|
| population | the members of the same species living in the same place at the same time |
| density | the number of individuals per unit area or unit volume |
| dispersion | the relative distribution or arrangement of individuals within a given amount of space |
| growth rate | a change in a populations size over a given period of time |
| reproductive potential | the maximum number of offspring that an individual in a population can produce |
| exponential growth | population growth increases in intensity over time |
| carrying capacity | the maximum population that a particular ecosystem can support |
| overshoot | a population temporarily exceeding the carrying capacity of its ecosystem |
| dieback | the decline of a population after temporarily exceeding the carrying capacity of its ecosystem |
| niche | an organism's unique role in its ecosystem |
| competition | two or more organisms attempting to use the same limited resources |
| predation | the interaction defined by one organism feeding on another |
| parasitism | asymbiotic relationship wherein one organism benefits while the other is harmed |
| mutualism | a symbiotic relationship wherein both or all organisms involved benefit |
| commensalism | a symbiotic relationship wherein one organism benefits while the other is unaffected |
| symbiosis | a relationship in which two or more organisms live in close association with one another |
| coevolution | the process whereby two or more symbionts develop features that reduce harm or increase benefit of their relationship |
| host | the organism harmed in a parasitic relationship |
