To be able to compare the results to a sample without any of the independent variable added.
Things going from low concentration to high concentration with ATP. An example would be the sodium potassium pump
Serial Monogamy is the behavior n mating in which one male breeds with a female for a certain period of time and then finds a different mate the following mating season. It is defined as a succession of short monogamous relationships or <span>the practice of having a number of long-term romantic or sexual partners in succession.</span>
op level consumer in a food chain or food web that has the least number
