1
Normal East to West currents off coast of South America which produces upwelling and plentiful fishing in Peru.
2
When East to West current weakens or reverses pushing warm water eastward toward South America reducing upwelling.
3
Varieties of species, genes, and ecosystems
4
one species benefits, the other is neither harmed or benefitted.
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organism living on another, host is harmed
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both species benefit in this symbiosis
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human caused, often relating to climate change
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magic formula for calculating doubling time
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Atmospheric layer with protective layer of O3
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Atmospheric layer closest to earth with the highest density of gases and (bad ozone)
Crear