Parts of the teeth include: â¢ Enamel: The hardest, white outer part of the tooth. Enamel is mostly made of calcium phosphate, a rock-hard mineral. â¢ Dentin: A layer underlying the enamel.
Most species of giraffes are not endangered. However, the West African (Nigerian Giraffe) is classified as endangered. Giraffe is not an endangered.Unlike elephants killed for â¦ tusks and the leopards killed for their hides ,the giraffes can only be killed for their meat and this is very rare.
The antelopes and gazelles of the Sahara have suffered from over-hunting, drought and loss of habitat. The sandy desert-and dune-dwelling addax (Addax nasomaculatus) is listed as critically endangered, with fewer than 300 antelope left in Chad and Niger.