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The sponges are the _________ organisms of the animal kingdom.
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Simplest
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True or False:Sponges are multicellular.
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True
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Sponges contain no ________ or ________ systems.
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Organs or organ
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Collar cells are also known as __________.
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Chanocytes
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Collar cells generate a current through the sponge's _________ carrying _________ from its environment through the organism.
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Body & water
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The movement of water through the sponge brings _______ and ______ to the cells and carries waste and ____________ away from the sponge.
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Food and oxygenreproductive cells
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Sponge has two major openings:____________ and _____________
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Osculum and Porocyte
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In sponges, water ______ through the porocytes and the proceeds upwards and _______ through the osculum.
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Enters out
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Interior of the sponge is _______.
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Hollow
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In the sponge, the job of the atrium is __________.
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Extra-cellular digestion takes place
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Sponges are sessile, meaning ________.
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Do not have the ability to move on their own so any products from the sponge must be released into the waters' current
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Sponges are mostly found in ________.
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Warm ocean waters, however some are found in freshwater
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Describe Silica Sponges
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Glass sponges- internal framework made up of silica which is the same material to make blown glass. intricate and very rigid.
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Describe Elastic Sponges
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The body of the sponge is held together with elastic protein fibers giving the sponge a softer texture. these are often used by industry for cleaning, packaging materials and filter component.
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Describe Calcareous Sponges
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Sponges where the internal framework is composed of irregular shaped spicules. These spicules are made up of a calcium composition similar to our bones.
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