<span>They are made up of nitrogenous bases, sugars, and phosphates. Nucleic acids are molecules like DNA and RNA. The sugars and phosphates form the "backbone", and the nitrogenous bases are what actually holds the genetic information.</span>
According to the 2nd law of thermodynamics, leftover energy is dispersed into the environment in the form of heat.
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Natural selection is a gradual process where biological traits become more or less common in a population depending on the usefulness of the trait.
C. Over time, species evolve by adapting to their environment.
Insecticide resistance developed through d. natural selection.
