How they develop depends on what animal it is
There are a couple of animals that would have a well developed cerebellum. One of these animals is the human.
Monkeys
Vision is a vital sensory system in humans as well as animals. A jaw less fish, the lamprey and dragon fly has well-developed eyes.
All mammals are developed in the womb.
the spread of seads on animals & water & air.
No, a hierarchy developed, just as with the humans owning the farm
animals have two navigational systems. magnet use, and developed ultranomia.
Aristotle
Human beings.
attraction to animals in a sexual way. Example: he had developed Zoophilia.
Joseph Stalin developed a policy that forced the peasants to put their land and animals into state owned collective.
He developed the entire classification system for animals.