Answer:
I think you meant evolved not envolved
Step-by-step explanation:
Phylum (includes) Notable Characteristics Example
Porifera (sponges) multicellularity, specialized cells but no tissues, asymmetry, incomplete digestive system sponges
Cnidaria (jellyfish, corals) radial symmetry, true tissues, incomplete digestive system jellyfish
Platyhelminthes (flatworms, tapeworms, flukes) cephalization, bilateral symmetry, mesoderm, complete digestive system flatworm
Nematoda (roundworms) pseudocoelom, complete digestive system roundworm
Mollusca (snails, clams, squids) true coelom, organ systems, some with primitive brain snail
Annelida (earthworms, leeches, marine worms) segmented body, primitive brain earthworm
Arthropoda (insects, spiders, crustaceans, centipedes) segmented body, jointed appendages, exoskeleton, brain insect (dragonfly)
Echinodermata (sea stars, sea urchins, sand dollars, sea cucumbers) complete digestive system, coelom, spiny internal skeleton sea urchin