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 Silky Sifaka Life History Why is this animal endangered? How many are left? What conservation efforts are underway? Reproduce System Intro The Silky Sifaka is one of the 25 most endangered species of today. Its one of the rarest mammals on earth, and listed by the International Union for Conservation of Nature (IUCN).Sit back and watch this presentation on the stunning and highly distinctive animal.