The Committee on the Status of Endangered Species, a federal advisory group, has created a list of 340 animals and plants that are in some jeopardy. Here are the categories the committee uses: Extinct  The species no longer exists in Canada.
The front teeth are called incisors, You have four incisors on the top jaw and bottom jaw. the central incisors (the front two teeth) the lateral incisors (the teeth on either side of the central incisors) they have multiple functions. your smile, having a full set of teeth will give you an even smilwe.
Different Kinds Of Teeth. Your teeth look different from one another because they are designed to do different things. The Incisors are the teeth in the very front. Theyâre the sharpest teeth, built to cut food and shaped to shovel the food inward. The Canine teeth are in the corners of your mouth. Because theyâre meant for grasping and tearing food, they have very long roots. Premolars are located just behind your Canine teeth. Premolars have a more flat chewing surface because theyâre meant for crushing food. The Molars are the last teeth towards the back of your mouth. Molars are much bigger than the Premolars and have bigger, flatter chewing surfaces because their job is to chew and grind the food into smaller pieces.