An example of a grad-school level question?
Most of the bacteria in a forest ecosystem are best classified as which of the following types of organisms?

An example of a grad-school level question?
Which of these can be recycled in an attempt to conserve resources?

An example of a grad-school level question?
If Lisa wants to experiment with bean plants, which of these is the best example of a hypothesis?

An example of a grad-school level question?
Which best describes the function of the small intestine?