xantis (a yak)
Xanclomys: a small mammal from the Paleocene of North America
Xenarthra: An order of mammals that includes sloths, armadillos, and anteaters.
Xenops: The Xenops is a rainforest bird from the Americas.
X-ray fish: /no description/
Ox.
· ibex
· fox
mammals
No, they have a backbone.
Fish or if you are talking about dolphins and whales then mammals as well but mostly fish
Either Alexis or Ashley
Mammals are in the vertebrate order Mammalia, and are endothermic tetrapod amniotes. This means that they are warm-blooded, four-legged, and reproduce by eggs.
A vertebrate.
A vertebrate.
a vertebrate
A mule and a mountain lion are mammals. The moose is a mammal.
vertebrate