How can this be explained?Using the varying bills of the Galapagos Finches in figure 13.3 and additional research, explain how microevolution is evidenced.

Microevolution and Macroevolution

Darwin’s philosophical worldview then took him beyond his evidence to a conviction that environmental constraints could create whole new structures and organisms. Soon Darwin’s theory of macroevolution replaced the Creator with an environment that could create solely by constraint.

According to Chapter 13 section 13.1 of the course text, define microevolution and macroevolution.
The Galapagos islands have a great diversity of landscapes – from lush vegetation to nearly barren lava fields yet the Galapagos Finches survive on each island. How can this be explained?
Using the varying bills of the Galapagos Finches in figure 13.3 and additional research, explain how microevolution is evidenced.