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drs-ecol1-fg249
ecology vocab #1
| Term | Definition | Example |
|---|---|---|
| Biology | bio-life ology-study of life study of living things | Example: life on land is biology. |
| organism | scientific word for living things. | Such as, plants, animals, etc. |
| habitat | an environment that provides the things a specific organism needs to live, grow and reproduce.. | Such as, forests, ocean, desert, etc. |
| biotic factors | the living parts of an organism's habitat. | Such as, ferrets, eagles, worms, etc. |
| abiotic factors | the nonliving parts of an organism's habitat. Such as, rocks, sunlight, soil, etc. | Such as, rocks, sunlight, soil, etc. |
| species | a group of organisms that can mate with each other and produce offspring that can also mate and reproduce. | Such as, black-tailed prairie dogs |
| poplulation | all the members of one species living in a particular area. | Such as, prairie dog town. |
| community | all the different populations that live together in an area make up a community. | Example: all the living thing that interact on the prairie. |
| ecosystem | the community of organisms that live in a particular area, along with their nonliving environment. | Example: all the living and nonliving things that interact on the prairie. |
| ecology | the study of how organisms interact with each other and with their environment. | Example: the study of how dogs interact with their environment and with other dogs. |
| birth rate | the number of births per 1000 individuals for a given time period. | Example: if a baby was to be born in the U.S. the birth rate would increase. |
| death rate | the number of deaths per 1000 individuals for a given time period. | Example: If someone who was born in the U.S. was to die the death rate would increase. |
| immigration | moving into a population. | Example: When immigrants come to the U.S. they use an immigration system which allows them to change population. |
| Emigration | leaving a population. | Example: immigrants emigrant their country when coming to the U.S. |
| population density | the number of individuals in an area of a specific size. | Example: if you were to catch 20 butterflies in a garden measuring 10 square meters, the population density would be 20 butterflies per 10 square meters. |
| limiting factor | an environmental factor that causes a population to stop growing or decreasing in size. | Example: Hurricanes, tornadoes, cold weather, etc. |
| carrying capacity | the largest population that an area can support. | Example: the carrying capacity of a giraffe habitat would be ten giraffes. |
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fguevara249
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