B. unsaturated fats. C. found only in animals. D. complex carbohydrates. Circle the uppercase T if the statement is true or the uppercase F if the statement is false. A theory in science has more validity than does a hypothesis.
Proteins are simple, straight, small molecules.
Nucleic acids are long chains of amino acids. Earth's organisms have a common ancestry according to the theory of evolution. Arrange the following levels of organization in nature in the correct hierarchical order. Define, describe, or discuss two of the three terms listed below in the space provided.