The first invertebrates to develop a true nervous system are
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Coelenterates are the first invertebrates to develop a true nervous system.
The name comes from the Greek word “koilos” means ” hollow” and enteron means” intestine.”
They have very simple tissue organization, with only two layers of cells and radial symmetry.
Some examples are Corals, hydra, jelly fish and sea anemones.
The name comes from the Greek word “koilos” means ” hollow” and enteron means” intestine.”
They have very simple tissue organization, with only two layers of cells and radial symmetry.
Some examples are Corals, hydra, jelly fish and sea anemones.
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