Question | Answer |
Organism | A living thing. |
Habitat | An environment that provides all the things the organism needs to live, grow and reproduce. |
Biotic Factors | Living parts of a habitat. |
Photosynthesis | The process in which organisms use sunlight to make food. |
Species | A group of organisms that are physically simaler and can mate and reproduce. |
Population | All the members of one species in a particular area. |
Community | All the different populations that live together in an area. |
Ecosystem | The community of organisms that live in a particular area along with nonliving surrounding. |
Ecology | The study of how living things interact with one another and there environment. |
Estimate | An approximation of a number based on reasonable assumptions. |
Birth Rate | The number of births in a population over a certain amount of time. |
Death Rate | The number of deaths over a certain amount time. |
Immigration | Moving into a population. |
Emigration | Moving out of a population. |
Population Density | The number of individuals in an area of specific size. |
Limiting Factor | An environmental factor that causes a population to decrees. |
Carrying Capacity | The largest population an area can support |
Abiotic Factors | Nonliving parts of an organisams habitat |
Natural Selection | A characteristic that makes an individual better suited to it's environment may even become common in that species. |
Adaptation | The behavior and physical characteristic that allow organisms to live successfully in there environment. |
Niche | The role of an organism in it's habitat or how it makes it's living. |
Competition | The struggle between organisms to survive as they attempt to use the same limited resource. |
Predatation | An interaction in which one organism kills another for it's food. |
Predator | The organism that does the killing. |
Prey | The organism that gets killed. |
Symbolism | A close relationship between two species that benefits at least one of the species. |
Mutualisam | A relationship in which both species benefit. |
Commensalism | A relationship in which one species benefits and the other is neither helped or harmed |
Parasitism | One species is helped the other harmed. |
Parasite | The species that benefits |
Host | The species that is harmed. |