Heredity is best described as
a. the single-most important influence on skill-related fitness
b. natural ablities that cannot be changed
c. highly mutable personal characteristics
d. noneof the above

What feature of cell theory is best demonstrated in the image

What would happen if the krill were removed from the food web

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