Which describes the complex carbohydrate cellulose?

What are the types of mutations, and how does each alter the encoded protein? college level answer

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Ecology can best be described as the study of what