They're considered to be human like hands. They have a thumb like humans which allows them to grip onto trees and maneuver better. It also helps them with their grip onto branches and trees because they rarely come down from up there, so they need to be able to grip tightly even a sleep. I would say it's natural selection due to evolution.
True. The chemicals they gave to the birds made them quite ill.
Answer: plants such as trees convert carbon dioxide into oxygen, which gives the earth a constant supply of oxygen.
Explanation:
Any invidual of the genus homo especially a member of the specis homo sapeins
All living things need to have cells before they are said to be living. this is because the cell is the basic unit of life.