See the evolutionary tree below and answer the questions.

(1). According to the tree, what is the most distant living
relative of humans?

A. Snakes

B. Iguanas

C. Birds

D. Marsupials

E. Amphibians

(2). According to this tree, are cows more closely related to
birds, marsupials, or amphibians?

A. Birds

B. Marsupials

C. Amphibians

D. Cows are equally related to all three

(3). According to the tree, are crocodiles more closely related
to iguanas, snakes, or lizards?

A. Iguanas

B. Snakes

C. Lizards

D. crocodiles are equally related to all three