chapter 1 Word Scramble
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Question | Answer |
organism | a living thing |
habitat | an envirment |
biotic factor | a living part of a organisms habitat |
abiotic factor | a nonliving part of a organisms habitat |
Photosythisis | The prosses in which plants use water along with carbon dioxide to make its own food |
Species | A group of organisms that are physically simaler and can mate and reperduce offspring and reperduce |
Populations | How many of the species are in a area |
Community | More than one species in a area |
Ecosystem | A place where there are living things and nonliving things |
Ecology | The effects of different environments |
Emigration | Leaving a population |
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 certain amount of time |
Immigration | Moving into a population |
Population density | The number of individuals in a specific area |
Limiting factor | 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 charecteristic that make individual better suited to its envirment become more common in a species |
Adaptations | A behavior or physical charecteristic that allows an organism to live successfully in its envirment |
Niche | The role of an organism in its habitat,or how it makes its living |
Competition | The struggle between organisms to survive as they attempt to use the same resource |
Predation | An interaction in which one organism kills another |
Predator | The organism that does the killing |
Prey | The organism that gets killed |
Symbiosis | A close relationship between two species that benefits something good for for at least one of them |
Mutualism | A close relationship in which both species benefit |
Commensalism | A relationship in which one species benefits and the other species is neither helped nor harmed |
Parasitism | One organism living on or inside another organism and not harming it |
Parasite | The organism that benefits |
Host | The organism that does not benefit |
Created by:
Jgood
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