the birds shown above have beaks with three different shapes and sizes. these genetic variations in the beak…

the birds shown above have beaks with three different shapes and sizes. these genetic variations in the beak each appeared initially due to

the birds shown above have beaks with three different shapes and sizes. these genetic variations in the beak each appeared initially due to

Answer

Brief Explanations:

Genetic variations in physical traits like beak - shape in birds initially occur due to mutations. Mutations are changes in the DNA sequence that can lead to new traits.

Answer:

Mutations