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On
the fifth floor is Permanent Exhibition Hall. Don’t miss out
any of the six exciting sections: plants, insects,
invertebrates, vertebrates I & II, and earth science section.
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 Click each section.
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The Invertebrates Section exhibits
a variety of invertebrates including protozoan and
chordate. Vivid pictures, detailed descriptions,
life-size models, and actual specimens preserved in
alcohol attract the visitors. Don’t miss out the interesting exhibits on the rare
specimens of marine animals, dangerous marine animals, corals and coral reefs, red tide
phenomena, mimesis, camouflage, and symbiosis. |
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 About
Invertebrates...
Invertebrates are animals without a
spine. Invertebrates take up 96% of the total number of
animal species. Invertebrates are classified into single
cell such as protozoan and multi cell such as poriferan, mollusk, arthropod, chordate, and etc. The structure and origination of each phylum differs from one another.
Poriferan
Poriferans, the most primitive
animals, include callyspongia elegans (Thiele,
1898) and euplectella marshalli
(Ijima, 1895). Poriferans’ fiber
structure has strong absorbency due to capillary
phenomena.
As a result, since the ancient Greek times, dried poriferans have been used for bath, clothes, makeup, art, printing, and cleaning.
Nematocyst
Nematocysts include sea anemones,
corals, and hydras. Their body structure is radial
symmetry, and they have thread cells. When attacked, a thread cell discharges poison through string-like pipe into the opponent’s body. After the discharge, the thread cell dies.
Coral and Coral
Reef
Coral reefs
are calcareous rocks or islands made up of the remains
of corals under the shallow sea of tropical or
subtropical area. Corals are mostly found in clear seas because adequate amount of light, oxygen, and salts are necessary for corals to grow.
Mollusc
Next to arthropods, molluscs are
the second greatest in number on the earth today. Their
body structure is flexible and symmetrical and shells
protect their backs. They are not only the major food resources for human but also the resources for crafts and medicine. On the other hand,
they infect people with parasites and seriously damage the fishing industry. Molluscs include snails, squids, and abalones.
Arthropod
Arthropods include spiders,
insects, and crustaceans such as shrimps and crabs.
Arthopods’ bodies have hard coverings and are divided into sections. Along with vertebrates, arthropods can
be found almost anywhere on the earth due to their strong propagation power, life force, and adaptability. They take up about 75% of the whole animal species.
Echinoderm
On the surface of their radial
symmetric body, echinoderms have a number of thorns and ambulacral
feet. The ambulacral feet are essential for living as they are used for moving, eating, breathing, and sensing. Echinoderms include starfish and sea urchins.
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All contents Copyrights 2002 Ewha Womans University Natural History Museum
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