an animal without muscles

an animal without a backbone

an animal with a backbone

Gonzaga winning NCAA

skeleton

can be divided into two parts that are nearly mirror images of each other

lakers are better than the warriors

can be divided into two parts that are nearly mirrors of each other anywhere throught its central axis

bird

fish

flatworm

starfish

a classification of an animal

giants

any animal with radial symmetry

when two sides of an animal are mirror images of each other

stanford

humans

a structure such as a leg or an arm, that extends from the central part of the body

thick, hard outer coverings that protect and supprot animals bodies

arthropods

a structure such as a leg or an arm, that extends from the central part of the body

insects

echinoderms

unique features that are not in any of the other invertebrate phyla

any animal with radial symmetry

any animal with bilateral symmetry

an animal that doesn't have a notochord, nerve cord, tail, and pharyngeal

an animal with notochord, nerve cord, tail, and pharyngeal

UCLA

an animal that has a notochord, a nerve cord, a tail, and structures called pharyngeal pouches at some point in it's life

USC

a flexible, rod-shaped structure that supports the body of a developing chordate