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Q&A What would terrestrial animals derived from cnidarian ancestors look like?

I have wondered what a terrestrial ecosystem would look like dominated by cnidarians and ctenophores rather than insects and tetrapods. In order to fulfill the same niches I imagine they would need...

3 answers  ·  posted 8y ago by Anonymous‭  ·  last activity 8y ago by Anonymous‭

Question evolution fauna creature-design