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4.3 Review

Inspire Science 4.3

QuestionAnswer
the water cycle includes water evaporating into this which can form clouds water vapor
some plants use this, which contains nitrogen, to grow ammonia
the oxygen-carbon dioxide cycle is controlled by this biotic factors
the amount of nitrogen in an ecosystem can be altered(changed) by this farmers adding fertilizer to promote plant growth
a change in an ecosystem to a new ecosystem is called this succession
where do plants get the nitrogen they need? from compounds in the soil
this is an area that contributes to a river or river system watershed
in the oxygen-carbon dioxide cycle, where do plants get the CO2 they need to survive? from the air
How does nitrogen get fixed? volcanic activity, lightening or bacteria
How do plants use nitrogen? to grow
Created by: jkimball
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