While cats, whales, bats, lizards, birds, and frogs are all part of the animal kingdom, they belong to different taxonomic groups and have varying degrees of evolutionary relatedness to humans.
Which organism do you think is most closely related to a human cat whale bat lizard bird or frog?
Based on evolutionary relationships and genetic similarities, the organism most closely related to humans is the chimpanzee. Humans share a common ancestor with chimpanzees and bonobos, and we belong to the same taxonomic family, Hominidae. Chimpanzees are our closest living relatives, with a genetic similarity of approximately 98-99%.