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Chapter 1
populations and Communities
Question | Answer |
---|---|
Organism | A living thing. |
Habitat | A envirnment that privides the things an organism needs to live grow and reproduce. |
Biotic Factors | The living parts of a habitat. |
Abiotic Factors | The nonliving parts of a habitat. |
Photosynthesis | A living thing depended on plants and for food. |
Species | A group of organisms that are physically similar and can mate with each other and produce offspring. |
Population | The members of one species in a particular area. |
Community | All the different population that live together in an area. |
Ecosystem | The community of organisms that live in a particular area,along the nonliving surroundings. |
Ecology | The study of how living things interact with each other and with the environment around them. |
Estimate | An approximation of a number, based on reasonable assumptions. |
Birth rate | The number of births in a population in a certain amount of time. |
Death rate | The number of deaths in a population in a certain amount of time. |
Immigration | Moving into a population. |
Emigration | Moving out a population. |
Population density | The number of individuals in a density. |
Limiting Factors | An environmental factor that causes a population to decrease. |
Carrying capacity | The largest population that an area can support. |
Natural Selection | A process by which is suited better in there life. |
Adaptations | A behavior or action that a organism does. |
Niche | The role of an organism in it's habitat, or how it makes a living. |
Competition | The struggle between organisms to survive as they attempt to use the same limit resource. |
Prey | The organism that gets killed by another organism. |
Predator | The organism that kills another organism. |