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vocab
Question | Answer |
---|---|
ecosystem | all the living and non living things in a given area |
biotic factor | the living things in an ecosystem |
abiotic factor | the living things in an ecosystem , such as sunlight and water |
climate | describe average weather conditions in an area over time . |
photisynthesis | a series of chemical reactions that convert light energy in matter , and carbon dioxide into the food energy molecule glucose and give off oxygen . |
chemosynthesis | the process during which producers use chemical energy in matter rather the light energy and make food . |
food chain | a model that shows how energy flows in an ecosystem through feeling relationships |
food web | shows how food food chains in a community are interconnected |
energy pyramid | the amount if energy avaliable in each step pf a food chain |
evaporation | the process during which liquid water changes into gas called water . |
condensation | the process during which water vapor changes into liquid . |
precipitation | water that falls from clouds to earth's surface . |
nitrogen fixation | the process that changes atmospheric nitrogen into nitrogen copouds that are usable in living things . |
atmosphere | the layers of gases that surrounds earth |