February 26, 2017

Homework Help: biology

Posted by hudi udman on Monday, June 14, 2010 at 3:08pm.

A species of bird with three toed feet feeds on worms and crawling insects. Over a period of several thousand years, the ocean level rises, and the region where the bird lives is flooded. Over several thousand years or so the birds descendant evolve webbed feet and begin to feed on fish. is this an example of gradualism or punctuated equilibrium?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions