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Science Vocabulary 1
| Question | Answer |
|---|---|
| biosphere | the parts of Earth and the surrounding atmosphere where there is life |
| carry capacity | the largest number of individuals of one species that an ecosystem can support over time |
| cellular respiration | a series of chemical reactions that convert the energy in food molecules into usable forms of energy called ATP |
| commensalism | a symbiotic relationship that benefits one species but does not harm or benefit the other |
| community | all the populations living in an ecosystem at the same time |
| consumers | an organism that cannot make its own food and gets energy by eating other organisms |
| detritivores | an organism that consume the bodies of dead organism and wastes produced by living organism |
| ecosystem | all the living things and nonliving things in a given area |
| energy pyramid | a model that shows the amount of energy available in each link of a food chain |
| food chain | a model that shows how energy flows in an ecosystem through feeding relationships |
| food web | a model of energy transfer that can show how the food chains in a community are interconnected |
| glycolysis | a process by which glucose, a sugar, is broken down into small molecules |
| limiting factor | a factor that can limit the growth of a population |
| mutualism | a symbiotic relationship in which both organisms benefit |
| overpopulation | condition that occurs when population becomes so large that it causes damage to the environment |
| parasitism | a symbiotic relationship in which an organism benefits and the other is harmed |
| photosynthesis | a series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen |
| population | all the organisms of the same species that live in the same area at the same time |
| producers | an organism that use an outside energy source, such as the sun, and produces its own food |
| symbiosis | a close, long-term relationship between two species that usually involves an exchange of food or energy |
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