Kingdom Animalia §The Animal Kingdom consists of invertebrates and vertebrates. §Invertebrates do not have a backbone. §Vertebrates have a spinal cord and a backbone. §Invertebrates make up the largest populations of the Animal Kingdom
Body Symmetry § Organisms with radial symmetry are generally circular in shape (flat or spherical). As you go out from the center in any direction, the animal is the same, like a sea star or jelly. § Organisms with bilateral symmetry are generally not circular and have two sides that are the mirror image of each other like a human. § Organisms that are asymmetrical have no symmetry at all. Like a sponge