Molecular clock studies by Sarich and Wilson have suggested

\"Molecular clock\" studies by Sarich and Wilson have suggested that humans and the African apes diverged from a common ancestor around 2 to 3 million years ago. 5 to 8 million years ago. 15 to 20 million years ago. 50 million year ago. 10 to 15 million years ago. Which of the following is true of the gibbon? they are the smallest of the apes. they live mainly in central Africa. they live in multi-male, multi-female groups in the rainforest. all of the above Old World monkeys are characterized by all of the following EXCEPT bilophodont molars. quadrupedal molars quadrupedal locomotion, with all four limbs around the same length. a 2-1-2-3 dental formula. a grasping, or prehensile, tail.

Solution

Q. 19. 4 to 5 million years ago

Q. 20 they are the smallest of the apes - true

They live mainly in Central Africa - false. They live in Southeast Asia

They live in multi male and multi female groups in rainforest - false. They live in small families in the

rainforest- (monogamous)

Q 21. They do not have a grasping and prehensile tail