Now your brain will never reject that the meaning of the prefix re- is âbackâ or âagain.â Reflect upon re-, and your vocabulary prowess will never regress! 1  reject: throw âbackâ. 2  recede: move âbackâ.  reduce: lead âbackâ.
1 Rattlesnakes rattle by shaking the rings at the end of their tails. 2  Water moccasins' mouths have a white, cottony lining.  Coral snakes have red, yellow and black rings along the length of their bodies.
Venomous snakes also have a more triangular head, whereas non-venomous snakes will have a rounded jaw. The shape of the face has to do with the location of the venom sacks, so triangular= beware! If the snake has a rattle, it is venomous. Only rattlesnakes have rattles. Some snake species will flick their tails in a similar fashion, but only the rattlesnake has the mechanism that creates the sound associated with the species. Venomous snakes may have a divot in between their eyes for heat sensing.