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Cycles in Nature

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Meghan Vigil

on 24 February 2017

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Transcript of Cycles in Nature

Cycles in Nature
the Nitrogen Cycle
how does nitrogen move?
the Carbon Cycle
how does carbon move?
Ecological Succession
changes in ecosystems study jam
the Water Cycle
Define each term
ecosystems change over time and depend on the cycling of matter
how does water move?
How does water benefit
biotic parts of the ecosystem?
ALL living things have
organic molecules
Photosynthesis, Respiration,
Decomposition, & Combustion
Organisms need nitrogen to build proteins and DNA for new cells.
How much of the atmosphere
is made of nitrogen?
gradual development of a community over time
Primary succession
occurs in an area that was not previously inhabited by living things; no soil is present.

Secondary succession
takes place in an area where an earlier community was disturbed by fire, landslides, floods, or plowing for crops and where soil is present.
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