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animals are the only lineage with muscle and nervous tissue but muscle and nerve tissue are...

animals are the only lineage with muscle and nervous tissue but muscle and nerve tissue are not synapomorphies of the animal kingdom, why not?
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Answer #1

Most animals have muscle and nervous tissue. They dont have cells walls.

• Muscle tissue is made of muscle cells and allows animals to move.  

• Nervous tissue is made of nerve cells and enables coordinated movement and response to stimuli.

  1. Sponges are the only multicellular animals without a nervous system. They do not have any nerve cells.
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