Ch 50: An Introduction to Ecology and the Biosphere: Lecture notes



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Coral reefs

0. found in netic zone of warm tropical waters where sunlight penetrates to the ocean floor

0. photosynthesis and nutrient supply occurs

0. coral, a Cnidarian secretes a hard calcium carbonate external skeleton

0. are very delicate and easily killed

0.00 Oceanic pelagic Biome: open waters off shore

0.Nutrient content is low due to sinking of organisms

0. plankton is prevalent

0. photosynthetic to 100m

0. zooplankton includes protozoans and larvae of invertebrates and fishes

0.0 nekton: free swimming animals like fish and squid

0.0 Benthos: organisms which inhabit the benthic zone, ocean bottom below the neritic and pelagic zone

0. cold 3'C and low nutrient content





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