24. Which of the following statements about nucleic acids and nucleotides is true?
a. Nucleotides are chains of nucleic acids held together by bonds.
b. Nucleic acids are composed of subunits called nucleotides.
c. Nucleotides and nucleic acids are the same thing.
d. None of the above.

Which sentences describe the logistic growth model? there are three different phases of the s-shaped curve. at first, growth is exponential because individuals are few and resources are plenty. this growth model occurs in a situation where resources are plenty and individuals are few to consume the resources. population growth decreases as resources become limited. when a population size reaches the carrying capacity of its environment, the population growth slows down or stops completely. the model looks like a j-curve.