. A woodpecker has a chiseling beak. How does it eat?
It opens holes in trees and eats insects beneath the surface of the wood.
It takes a big gulp of water with fish and filters the water off off the fish before swallowing.
It traps fish between its upper and lower mandible much like a scissor.
It burrows in the mud to find insects and other small invertebrates beneath the surface.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

gold i'm pretty sure i might be wrong

i believe the answer would be b. hope it : )

the answer to your question is tooth decay.