Answer Happy

We've learned about marine invertebrates in detail and how thetree of life can be divided based on morphological traits. Providespecific examples of characteristics that distinguish the mostprimitive groups of invertebrates (ex: sponges, anthozoans) frommore complex invertebrates (ex: arthropods, molluscs).
Using this information, tell me how you would methodically andlogically identify an unknown invertebrate you find onthe beach, or attached to a blade of kelp.