Your dermis undergoes a number of changes as you grow older: One of the most noticeable changes to the Aging dermis is in the bonding between the layers. There are tiny projections that connect your dermis to your epidermis (outer, visible skin).
However, there are three types of zebras,  such as mountain, Grevy, and common â¦ zebra species. These different  species may eat different types of grasses. For example, Grevy  zebras can eat coarse grasses and bark when grass is scarce. A  mountain zebra can eat tufted grass.Zebras also eat other foods  when grass sources are scarce, and these include roots, shrubs, and  even fruit.owever, there are three types of zebras,  such as mountain, Grevy, and common â¦ zebra species. These different  species may eat different types of grasses. For example, Grevy  zebras can eat coarse grasses and bark when grass is scarce. A  mountain zebra can eat tufted grass.
Classification/taxonomy. Some experts say that there are three species of zebras â Grevy's zebra, plains zebra and mountain zebra â and that Hartmann's zebra is a subspecies of mountain zebra. Other experts say Hartmann's zebra is a separate species.owever, zebras have black skin under their white coats! Each species of zebra has a different general pattern of stripes. The Grevy's zebra has very thin stripes. The mountain zebra has vertical stripes on its neck and torso, but horizontal stripes on its haunches.