1. Chimpanzee 2. Orangutan3. Gorilla
because they are younger and have a faster heartbeat!
Well there is really no answer for that but all I can say is that God created everything and he created them just how he wanted
Because small animals are smaller so they can move quicker and some have longer legs.
ANY infected animal can spread diseases. Any mammal can carry rabies; most varieties of insect carry various viruses.