A behavior must affect an organisms fitness and have a genetic basis.
<span>Nuclei of atoms which make up the newborn baby were made in ancient stars.
Ancient stars exploded many years ago and this is the same nuclei where newborn babies are being made.</span>
Animals that have are invertebrate are generally insects, or very small animals, such as worms or snails.
Animals that have a vertebrate are generally larger animals,ranging from a small fish or bird, to a whale.
In short, a jaguar is a vertebrate.
