A scientist is testing a new plant food to see if it causes plants to grow faster. The scientist tests two plants with the new plant food, and two plants he grows without plant food. What is the independent variable?

During which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells? A. meiosis B. interphase C. cytokinesis D. mitosis

What are the limitations on research that have human subjects

Question 18 2 pts A the gene for a rabbit's coat color has four different alleles. Which of the following statements is true? -In a population of rabbits, there can be four different coat colors.

What causes populations to compete?

Which form of reproduction results in the highest degree of genetic variation among offspring?

How do cancer grows and spreads

Which statement best illustrates the concept of the interrelationship of living things with the physical environment, as found in the definition of ecology? A) Hawks and eagles often compete with each other. B) White-tailed deer shed their antlers.

Which statement is true about a liquid but not a gas? Question 7 options: A. It has more internal energy than the solid state. B. It has close to a constant volume as pressure is applied to it. C.

Ryan accidentally drops a very heavy object on his foot. In a matter of just a few seconds, he feels a tremendous amount of pain. He experienced the pain quickly because neurons rapidly carries the impulse to the brain.

What r 5 main reasons for getting a nosebleed