Which of the following statements is true? Aspirin is less effective than salicin for treating pain and fever.

Aspirin causes less stomach upset than salicin.

Aspirin does not have the same medical applications as salicin.

After which event could you say that evolution has occurred? question 1 options: an allele frequency changes in a population. a white-eyed fly is born into a population of brown-eyed flies. a new predator comes into an environment. an animal gets fat.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Wich level of organization includes all the other levels or organizations