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Chapter One
Lessons 1 and 2
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 non-living 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 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. |