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.
1 The 'Great Apes' which include the gorilla,orangutan, chimpanzee, and bonobo are all classified as endangered or critically endangered. 2  Many Primates such as the orangutan are primarily arboreal or 'tree-dwelling', while others are terrestrial, spending most of their time on the ground.