Question

Two function and features phylum_ cnidaria

Answer 1

Its main function is to support the nerve cord. In Vertebrate ... The first two phyla have very few species in between them

Answer 2

Explanation:

• All cnidarians have two membrane layers, with a jelly-like mesoglea between them.

• they form coral reef ( in particular corals, that are the builders of some of the richest and most complex ecosystems on the planet, coral reefs. Other cnidarians are important as predators in the open ocean)