ROCKY SHORE

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ROCKY SHORE
BY CHAN FOON YAN 6C
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What is
?
ROCKY SHORE
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ROCKY SHORE
is a great place to explose.
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ROCKY SHORE IS ...

• The areas of bedrock exposed between the extreme
  high and extreme low tide levels on the sea shore.

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ROCKY SHORE IN HK
Shanley Bay
Little Palm Beach
Shek O
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The problems faced by the living things

• Desiccation
• Gaseous exchange
• High temperature
• Salinity fluctuation

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Starfish

• Starfish generally have five arms with a line of
  tube feet along the under surface.
• Tube feet can be use for moving around or holding
  the rock.

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Sea urchin

• Find in the pool and rock platform.
• Frequently wrap itself up in seaweed.
• Diet includes a wide variety of plants and dead
  animals.

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Sea anemone

• Dark red and squashy blob with a spot at the top.
• When the tentacles are spread out the mouth can
  be seen in the middle.
• Food passes towards the mouth.

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Nudibranchs

• Mollusk without shell.
• Found crawling along seaweeds in the deeper rock
  pools.
• Bright colour for warning others that they store
  poisons.

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Periwinkles

• The shell of this animal is waterproof.
• Have a tight fitting door call operculum.
• Can successfully survive out of water for a long
  time.
• Feed on algae and lichens.

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Crabs

• Feed on algae, periwinkles and dead animals.
• Shed their shell in order to grow.
• Often found under overhanging rocks and in
  crevices.

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OTHERS LIVING ORGANISMS
fish
Jellyfish
Chitons
Ascidian
Mussel
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OTHER LIVING ORGANISMS
Red seaweeds
Green seaweeds
Worms
Algae
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Save it!
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THE END