Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Ex Input:
Question: Predators can replace what tool in agriculture. Answer: pesticides

Ex Output:
Predator species such as birds and spiders control insect pests. They reduce the need for chemical pesticides, which are expensive and may be harmful to human beings and other organisms.

Ex Input:
Question: Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells? Answer: plant cells

Ex Output:
Plastids are organelles in plant cells that may have various jobs. The main types of plastids are chloroplasts, chromoplasts, and leucoplasts.

Ex Input:
Question: The joint that lies between the radius and the ulna is what kind of joint? Answer: pivot joint

Ex Output:
Pivot Joint. The joint at which the radius and ulna meet is a pivot joint. Movement at this joint allows you to flip your palm over without moving your elbow joint.