Answer the following question given this paragraph: Usually, testing a hypothesis requires making observations or performing experiments. In this case, we will look into existing scientific literature to see if either of these hypotheses can be disproved, or if one or both can be supported by the data. Q: Testing what usually requires making observations or performing experiments? Choices: - variables - conclusion - homeostasis - hypothesis A:
hypothesis

Answer the following question given this paragraph: Most fish have several fins for swimming. They use some of their fins to propel themselves through the water and others to steer the body as they swim. Q: Fish use some of their fins to propel themselves through the water and others to do what? Choices: - breathe - reproduce - rest - steer A:
steer

Answer the following question given this paragraph: Q: Temporal and spatial summation at the axon hillock determines whether a neuron generates what? Choices: - hidden potential - change potential - false potential - action potential A:
action potential