Why was the evolution of a coelom a critically important innovation for animals?

The coelom was a critically important innovation within evolution because it made it possible for animals to colonize land.

The part can act as a hydrostatic skeleton; It gives support to a complex nervous system.

answer; ///i believe the answer is (antioxidant);

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.