5. if a person eats a salmon (that ate
smaller fish that ate algae), the
person is acting as
o a. a primary producer
o b. a primary consumer
o c. a secondary consumer
o d. a tertiary consumer
o e. a quaternary consumer

Explanation:

A tertiary consumer

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.