| Term | Definition |
|---|
| Patterns of population growth | can increase, decrease or stay the same. |
| highest increase | is called biotic potential |
| J shaped | showing exponetial growth has not yet reached its carrying capacity |
| S shaped | shows how a population becomes limited by environmental factors. The maximum size of a population that an area can support. |
| More developed countries | population growth is low and people enjoy a good standard of living. |
| Less developed countries | population growth has expanded rapidly majority of people live in poverty. |
| How is population growth regulated | births, deaths, migration |
| competition | occurs when members of a different specie try to utilize a sources that is limited in supply. |
| Predator- prey | the prey population rises, causing predator pop. to rise also. Predators over eat causing the prey to decrease which also cause predator pop. to decrease because no food. cycle repeats. |
| symbiosis | means "living together" a close interaction between organisms of different species. |
| parasitism | 1 is harmed(host), 1 benefits(ticks and deer) |
| commensalism | 1 benefits, the other is unaffected (birds and trees) |
| mutualism | both species benefit |
| ecological succession | change in community's composition |
| models of succession | climax-pattern model says that particular areas will always lead to the same type of community in a particular area called a climax community. |
Combine with other sets
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