Chapter 1 Science Word Scramble
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Vocab. Word | Definition |
Birth Rate | The number of births per 1,000 individuals for a given time period. |
Death Rate | The number of deaths per 1,000 individuals for a given time period. |
Immigration | Moving into a population. |
Emigration | Moving out of a population. |
Population Density | The number of individuals in an area of a specific size. |
Limiting Factor | An environmental factor that causes a population to stop growing or decrease in size. |
Carrying Capacity | The largest population an area can support. |
Natural Selection | The process by which organisms that are best adapted to their environment are most likely to survive and reproduce. |
Adaptations | An inherited behavior or physical characteristic that helps an organism to survive and reproduce in its environment. |
Niche | How an organism makes its living and interacts with the biotic and abiotic factors in its habitat. |
Competition | The struggle between organisms to survive as they attempt to the same limited resources in the same place at the same time. |
Predation | An interaction in which one organism kills another for food or nutrients. |
Predator | The organism that does the killing in a predation interaction. |
Prey | An organism that is killed and eaten by another organism in a predation interaction. |
Symbiosis | Any relationship in which two species live closely together and that benefits at least one of the species. |
Mutualism | A type of symbiosis in which both species benefit from living together. |
Commensalism | A relationship in which 1 species benefits and the other is neither helped or harmed. |
Parasitism | A relationship in which 1 species lives with ,on ,or inside another species causing it harm. |
Host | The organism that in which the parasite lives on or in. |
Succession | The series of predictable changes that occur in a community over time. |
Primary Succession | The series of changes that occurs in an area where no soil or organisms exist. |
Pioneer Species | The first species to populate an area. |
Secondary Succession | The series of changes that occurs in an area where the ecosystem has been disturbed, but where soil and organisms still exist. |
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