1. Observe: Look through the descriptions of the large and small organs. A. Which of the large organs allow nutrients and water to pass through their walls

The small intestine and large intestine

Explanation:

The small and large intestines were designed to allow nutrients to pass through their walls.

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:

age range would be the answer