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Book2Chap1Lessons1&2
Vocabulary
Question | Answer |
---|---|
organism | A living thing. |
habitat | An environment that provides the things a specific organism needs to live, grow, and reproduce. |
biotic factor | A living or once living part of an organism's habitat. |
abiotic factor | A nonliving part of an organism's habitat. |
species | A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. |
population | All the members of one species living in the same area. |
community | All the different populations that live together in a particular area. |
ecosystem | The community of organisms that live in a particular area, along with their nonliving environment. |
ecology | The study of how organisms interact with each other and their environment. |
birth rate | The number of births per 1,000 individuals for a certain time period. |
death rate | The number of deaths per 1,000 individuals for a certain time period. |
immigration | Movement of individuals into a population's area. |
emigration | Movement of individuals out of a population's area. |
population density | The number of individuals in an area of a specific size. |
limiting factor | An environmental factor that causes a population to decrease in size. |
carrying capacity | The largest population that a particular environment can support. |