Dental caries is the scientific term for tooth decay or cavities. It is caused by specific types of bacteria. They produce acid that destroys the tooth's enamel and the layer under it, the dentin.
A giraffe is an herbivore-albeit I've heard of them eating meat on occasion-it's rare that they do, and not their normal diet. RealFriends Â· 9 years ago. Thumbs up.
So Lamarck imagined that over generations the habit of continually reaching for the higher browse produced in the giraffe's ancestors a lengthening of the legs and neck. Figure 1. Giraffe in a classic feeding position, extending its neck, head, and tongue to reach the leaves of an Acacia tree. The giraffe, by its lofty stature, much elongated neck, fore-legs, head and tongue, has its whole frame beautifully adapted for browsing on the higher branches of trees.