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Chapter 123
sience
| 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. |
Created by:
asanestlehutt
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