Arboreal theory Arboreal theory This theory is proposed by Grafton Elliott-Smith (1912) who was a neuroanatomist who was chiefly concerned with the emergence of the primate brain. The arboreal theory claims that primates evolved from their ancestors by adapting to arboreal life. Primates are thought to have developed several of their traits and habits initially while living in trees. One key component to this argument is that primates relied on sight over smell. They were able to develop a keen sense of depth perception, perhaps because of the constant leaping that was necessary to move about the trees. Primates also developed hands
Begging in animals which begged recreational fishermen for food increased from one to at least 14, representing 20% of the 75 adult dolphins which live in the area. During the study, dolphins were seen to be learning from each other to beg and evidence of a young calf learning to beg from her mother was observed. Begging by dolphins occurs in other areas worldwide. Begging in animals Begging in animals is when an animal solicits being given resources by another animal. This is usually a young animal soliciting food from their parents, brood hosts or other adults. However, the resource is sometimes non-food