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NERITIC ZONE & OPEN OCEAN

NERITIC ZONE & OPEN OCEAN. Conditions in the Neritic Zone: - located over continental shelf - kelp forest - low tide line to continental shelf - wide variety of organisms - receives a lot of sunlight - upwelling current provides steady supply of nutrients. CORAL REEFS.

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NERITIC ZONE & OPEN OCEAN

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  1. NERITIC ZONE & OPEN OCEAN Conditions in the Neritic Zone: - located over continental shelf - kelp forest - low tide line to continental shelf - wide variety of organisms - receives a lot of sunlight - upwelling current provides steady supply of nutrients.

  2. CORAL REEFS • Environment of Coral Reefs: • Can only be formed in shallow tropical ocean water. • Above continental shelf around volcanic islands • Ring-Shaped Reefs: • Atoll: ring shaped reef surrounding a shallow lagoon.

  3. Coral Reef (cont.) • Life Around a Reef: • Shapes: • Elkhorn • Brain • Plate • Star: • Organisms: • Coral • Spiny lobsters • Shrimp • Octopuses • Fish • Coral Reefs and Humans: • Protects coast lines • Divers damage reefs

  4. Life in a kelp forest • Environment of Kelp Forest: • cold Neritic waters with rocky floor • Kelp large heavy algae • Kelp contains air bladders that help it float. • Providing A Habitat: • Young gray whales • Sea slugs and snails • Sea otters

  5. Conditions in the Open ocean • begins at the edge of the Neritic zone to the edge of the continental shelf. • Only a small part receives sunlight • Fewer nutrients • The Surface Zone: (Photic zone) • Surface to as far as sunlight reaches • Organisms: krill, crabs, mollusks and fish.

  6. Conditions in the Open ocean (cont.) 2. The Transition Zone: - bottom of surface zone to 1 kilometer. 3. The Deep Zone or Aphotic zone: - darkest and coldest - few organisms - many produce their own light - Bioluminescence: the production of light from a living organism via chemical reactions. - Chemosynthesis: the production of organic material by energy from chemical reactions rather than light.

  7. Hydrothermal vents • hot water rising out of cracks in the ocean floors.

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