'Short food chains' diaporamas de présentation

Ch. 53 Community Ecology

Ch. 53 Community Ecology A community's interactions include competition, predation, herbivory, symbiosis and disease Dominant and keystone species exert strong controls on community structure Disturbance influences species diversity and composition

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Yuna Chiffoleau

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POLAR SEAS

POLAR SEAS. Because the water is cold, oxygen is rich. The summer season, with increased light availability, has phytoplankton blooms. Upwelling is frequent due to high winds over low terrain. The dominant phytoplankton are diatoms and dominant zooplankton are krill. NOAA. NOAA.

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