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5 Cards in this Set
- Front
- Back
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Sponges are the simplest of multicellular animals and share basal ancestry with the Metazoa, as determined by molecular evidence.
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True
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Although they have the simplest organization of all the Metazoa, the sponges do exhibit a higher level of morphological and physiological integration than that found in protozoan colonies.
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True
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The Porifera have which of the following characteristics in common?
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All of the above are correct.
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All sponges are marine.
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False
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The skeletal (supporting) structure of sponges may contain which of the following?
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All of the above may be constituents of the sponge skeletal structure
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