What is the main feature of frog?

In general, frogs have protruding eyes, no tail, and strong, webbed hind feet that are adapted for leaping and swimming. They also possess smooth, moist skins. Many are predominantly aquatic, but some live on land, in burrows, or in trees. A number depart from the typical form.

b exhibiting favoritism toward the kikuyu people.

that is wrong, its not thymus.