Vestigial structures are remains of a structure that was functional in some ancestor but is no longer functional in the organism in question.
a. true
b. false

Which of these organisms have the greatest amount of cell specialized

What are the seven economic and social goals?

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes