What is the difference between an autotroph and a heterotroph?

What pattern of migration do whales follow?

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

If your blood becomes too concentrated with iona, what will happen to the red blood cells