Your thumb is considered an adaptation because the development of the opposable thumb made your ancestors (and therefore you) better able to survive.
An opposable thumb is a physical adaptation. An adaptation is a feature that helps a plant or animal survive in its habitat. Adaptations can.
Students will learn about one adaptation that humans possess through evolution; the opposable thumb. They will use brainstorming, discussion.
J Neurophysiol. 2014 Jun 15;111(12):2554-9. doi: 10.1152/jn.00326.2013. Epub 2014 Mar 26. Simultaneous adaptation of the thumb and index finger of the.