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- factors affect population growth rate as the population size/density changes
- • Inland regions: midcontinent, far from ocean • Greater variation in daily & seasonal temperatures • Primarily in temperate regions
- when resources are abundant and the cost of reproduction is low
- average interval between birth of an individual and birth of its offspring
- - the quantitative study of how populations change through time.
- the study of how organisms relate to each other and to their environment
- complete series of events in an organism's lifetime relating to its growth, development, reproduction, and survival
- - Endotherms have adaptations that minimize energy expenditure (e.g., thick fur coats during winter)
- maintaining a steady-state internal environment regardless of external environment.
- group of interacting individuals of a single species living in a particular area
- absorb & store more energy without changing temperature
- the maximum number of individuals that the environment can support.
- - Natural selection can operate to make a population better adapted to the environment. - Evolutionary adaptatio
- • Coastal land regions influenced by adjacent ocean • Little daily & seasonal variation in temperature • Usually more precipitation and higher humidity
- - Sweating, increased erythrocyte production, making "antifreeze"
- is very tolerant of dry conditions, as well as cold.
- geographic area where individuals of a species occur
- can tolerate dry conditions, but not cold temperatures
- - A few minutes, or a lifetime- Variety of ways for an individual to cope with change. - Acclimatization
- - Moving from one habitat to another - Maintaining body temperature