Woodpeckers use their long beaks to dig for and eat insects living in 4 points tree trunks. A new species of woodpecker with a very long beak evolves.
Which statement best explains how the environment influenced the
development of this new species?
1. A harmful mutation occurred in the gene for beak length.
2.The insect population increased, the birds that ate more insects grew longer beaks.
3. Insects that live deep in tree trunks spread to trees in the woodpeckers' territory.
4.The long beak is an adaptation to help woodpeckers fight off predators