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Unit 5- Examples of marine ecosystems Questions and Answers
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Unit 5- Examples of marine ecosystems Questions and Answers epipelagic zone (photic zone) Ocean: The pelagic environment from the surface to 200 m. Plenty of sunlight to promote photosynthesis. mesopelagic zone (twilight zone) Ocean: the pelagic environment between 200 and 1000 m; light i...

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  • November 11, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • unit 5 examples of marine ecosystems questions an
  • epipelagic zone photic zone ocean the pelagic e
  • mesopelagic zone twilight zone ocean the pelagi

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Unit 5- Examples of marine ecosystems
Questions and Answers
epipelagic zone (photic zone) - answer Ocean: The pelagic environment from the
surface to 200 m. Plenty of sunlight to promote photosynthesis.

mesopelagic zone (twilight zone) - answer Ocean: the pelagic environment between
200 and 1000 m; light intensity too low for photosynthesis, many organisms have eyes
adapted to low light levels

Bathypelagic Zone (Midnight Zone) - answer Ocean: The pelagic environment from a
depth of 1000 m to 4000 m. No sunlight at all so organisms need to make their own
light.

abyssopelagic zone - answer The pelagic environment from a depth of
approximately 4000m to 6000 m. No sunlight at all.

benthic zone - answer The zone of the ocean from 6000m and deeper

Benzos - answer the community of organisms found in the benthic zone

ecosystem services - answer benefits people obtain from ecosystems, including
food, flood regulation,vclimate control and water regulation

Carbon sink - answer A natural environment that absorbs and stores more carbon
dioxide from the atmosphere than it releases, which offsets greenhouse gas emissions.

cnidarians - answer marine animals that capture food using stinging cells

cnidocytes - answer stinging cells that cover the tentacles of cnidarians

polyp - answer non-moving, cup-like stage of cnidarians

nematocyst - answer the harpoon-like organelle within a cnidocyte that contains a
toxin to be delivered to the prey

basal plate - answer lower part of the coral calyx that separates the polyp from the
substrate

calyx - answer the stony cup in which a coral polyp lives its life

theca - answer walls of the calyx

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