Which of the following is an example of proper movement for a biceps curl?
rotate the arm at the shoulder with the back straight
bend the arm at the elbow with the back straight
rotate the elbow and arch the back
bend the elbow and move the upper arm forward

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Construct at least two possible hypotheses for the student’s experiment.