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drs-ecol1-wc12
Ecology Vocab #1
| Term | Definition |
|---|---|
| Biology | bio-life ology-study of srudy of living things |
| Organism | scientific word for a living thing example- a prairie dog |
| Habitat | an environment that provides the things a specific organism needs to live, grow, and reproduce example- forest habitat |
| Biotic Factor | a living or once living part of an organism's habitat example: a squirrel or plants |
| Population | all mambers of one species living in the same area example-the whole amount of prairie dogs in Nebraska town |
| Community | a group of animals that live in the same area with common interests example-the community of dogs in Nebraska town that all like cats |
| Ecosystem | a system formed by the interaction of a community of organisms with their environment example-a desert ecosystem, with all the animals adapted to living with little amounts of water |
| Ecology | the branch of biology dealing with the relations and interactions between organisms and their environment, including other organisms |
| Birth Rate | the proportion of births to the total population in a place in a given time, usually expressed as a quantity per 1000 of population example-the birth rate in the U.S. is 12.7 per 1000 people |
| Death Rate | the number of deaths per unit, usually 1000, of population in a given place and time example-in the U.S. the death rate is 8.4 per 1000 people |
| Immigration | the movement of non-native people/animals into a country in order to settle there example-some birds could move from their place to another to seek a better home |
| Emigration | the leave/migrate from one place to settle in another example-some animals emigrate in a certain season to live in a safe environment |
| Population Density | the number of people living per unit of an area example-the population density of Perth Amboy is 1082 inhabitants per square mile |
| Limiting Factor | an environmental factor that tends to limit population size example-food and space |
| Carrying Capacity | the maximum number of individuals that an area of land can support, usually determined by their food requirements example-some places can't hold many organisms so only a few can live there |
| Abaotic Factor | a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it example-sun, moon, water, rocks, clouds |
| Species | a class of individuals having some common characteristics or qualities; distinct sort or kind example-humans are a species |
Created by:
WCardona232
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