prerequisite definition, meaning, what is prerequisite: something that must exist or happen before something else can exist or happen: . Learn more.
Photos by J.D. Willson unless otherwise noted. Description: Brown snakes are small - 6-13 in. (17-33 cm) - snakes that are usually brown, but can be yellowish, reddish, or grayish-brown. They usually have two rows of dark spots, sometimes linked, along the back and a dark streak down the side of the head.The belly is light brown to white.A series of tiny black dots are often present along each side of the belly. The young have a yellowish collar going down the neck with a less evident dorsal pattern. This snake looks similar to earth snakes (Virginia sp.) but those species lack spots on the back and head.escription: Brown snakes are small - 6-13 in. (17-33 cm) - snakes that are usually brown, but can be yellowish, reddish, or grayish-brown.
Adults are usually between 20 and 32 inches in length, but occasionally may be as long as 40 inches. They usually are 1 inch or less in diameter. Rough green snakes are a uniform bright green color with an ivory or off white belly and a pale white throat. Young rough green snakes usually are more dully colored until they shed their skin for the first time.