Notochord, a flexible supporting rod along the back of an animal. It is present in all chordate animals at some stage in their development. A primitive chordate retains it throughout life. In higher vertebrate animals, the notochord is replaced before birth by a backbone.
Jaguar, the largest cat of the Western Hemisphere. It resembles the leopard, but is larger and has a somewhat shorter tail.
Kids and dogs usually love each other and you can strengthen that love by having your kids make their pet some tasty treats. We've got some easy recipes.