Marine Biology Concepts

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High heat capacity

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A property of water, primarily responsible for hydrogen bonding.

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Hydrogen bonding

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Primarily responsible for water's high heat capacity.

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Photic zone

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Defined by penetration of sunlight in the ocean.

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Penetration of sunlight

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Defines the photic zone in the ocean.

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Osmoregulation

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In marine bony fish, involves drinking seawater and excreting salt through gills.

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Marine bony fish: Osmoregulation

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Involves drinking seawater and excreting salt through gills.

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Primary producer in hydrothermal vent communities

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An example is chemosynthetic bacteria.

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Hydrothermal vent communities

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Chemosynthetic bacteria are primary producers here and the primary source of energy for these deep-sea communities.

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Chemosynthetic bacteria

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A primary producer in hydrothermal vent communities and the primary source of energy for them. Chemosynthesis differs from photosynthesis in that it uses inorganic chemicals (e.g., H₂S).

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Coral bleaching

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Occurs when corals expel symbiotic zooxanthellae.