| (Tissues). | | -------------+----------------------------+---------------+-
------------- Turbellaria. | D | Complex reproductive | Reproductive. | Digestive. | e | Organs.  Supra-oes. | | | v | Ganglion and cords. | | | e | Sense organs. | | | l | Body wall.ns. | | | o | | | | p | | | -------------+---|------------------------+---------------+-
------------- Annelid. | O | Perivisceral Cavity. | | | r | Intestine.  Circulatory | | | g | system.  Nephridia. | | | a | Visual eyes. | | | n | | | | s | | | -------------+---+------------------------+---------------+-
------------- Primitive | Notochord.  Fins. | | Vertebrate. | | | -------------+----------------------------+---------------+-
------------- Fish. | Backbone (incomplete). | Digestive. | Muscles. | Paired Fins.  Jaws from | | | Branchial Arches.  Simple | | | heart.  Air Bladder.  Brain. | | -------------+----------------------------+---------------+-
------------- Amphibian. | Legs.  Lungs.  Cerebrum | | Muscles. | increases from this | | | form on. | | -------------+----------------------------+---------------+-
------------- Reptile. | Double heart. | | Muscles and | | | appendages. -------------+----------------------------+---------------+-
------------- Lower | Constant high temperature | | Muscles and Placental | Placenta. | Muscle. | appendages.  Mammals. | | | -------------+----------------------------+ +-------------- Ape. | Erect posture.  Hand.  Large | | Brain. | cerebrum. | | | | | | | | -------------+----------------------------+---------------+-
------------- Man. | Very large cerebrum. | | BRAIN. | Personality. | | | | | | | | -------------+----------------------------+---------------+-
-------------

[Table continued below]