Animal locomotion many of these same principles may be applied to climbing without trees, such as on rock piles or mountains. The earliest known tetrapod with specializations that adapted it for climbing trees, was "Suminia", a synapsid of the late Permian, about 260 million years ago. Some invertebrate animals are exclusively arboreal in habitat, for example, the tree snail. "Brachiation" (from "brachium", Latin for "arm"), is a form of arboreal locomotion in which primates swing from tree limb to tree limb using only their arms. During brachiation, the body is alternately supported under each forelimb. This is the primary means of locomotion
Eating live animals Eating live animals Eating live animals is the practice of humans eating animals that are still alive. It is a traditional practice in many Asian food cultures. Eating live animals, or parts of live animals, may be unlawful in certain jurisdictions under animal cruelty laws. Religious prohibitions on the eating of live animals by humans are also present in various world religions. Animals are also eaten alive for shock value. In Japan, Ikizukuri ("prepared alive") is the preparation of sashimi ("pierced food") made from live seafood. The most popular sea animal used in ikizukuri is fish but octopus is the