An alteration to chromosome structure which only involves one chromosome.

What type of genetic drift would be simulated if all the beans that were not selected died out?

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

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