The human opposable thumb is longer, compared to finger length, than any other primate thumb. This long thumb and its ability to easily touch the other fingers allow humans to firmly grasp and manipulate objects of many different shapes.

How have opposable thumbs help humans?

Human thumbs are called opposable thumbs. They are called opposable because the thumb can be moved around to touch the other fingers, which gives people the ability to grasp things. ... Having opposable thumbs helps in grasping things more easily, picking up small objects, and eating with one hand.

How do opposable thumbs help gorillas?

Opposable Thumbs - Efficient Object & Tool Usage

Opposable thumbs also assist in the creation and usage of tools, and the development of fine motor skills. Primates with opposable thumbs include great apes -- chimpanzees, bonobos, orangutans and gorillas -- and Old World monkeys like baboons and Colobus monkeys.