Big Idea 1. #12

Bilateral symmetry is one plane symmetry, or the two halves make a mirror of themselves. This palm frond makes a mirror image of itself.

Big Idea 1. #39

A tetrapod is any vertabrate above a fish. This African Bongo is a tetrapod.

Big Idea 2 #23

A Gnathostome is any vertabrate with true jaws. This python is a gnathostome.

Big Idea 1. #32

This is a rattlesnake which belongs to the chordate phyla of the animal kingdom.

Big Idea 1. #33

This rose flower belongs to the plant division angiosperm.