An example of a grad-school level question?
When specific hormones are present in the blood of a hen, an egg is released from an ovary. Which two systems are involved with the release of an egg?

An example of a grad-school level question?
Steven went to a farm and picked a bright red tomato from a broken branch on the plant. The tomato had a rotten spot with a worm inside of it. Instead of eating the tomato, Steven decided to plant the seeds and grow new tomato plants. Which characteristic of the tomato plant is inherited and could change over several generations?

An example of a grad-school level question?
When ice cream is left out of a freezer, the ice cream changes from a ___.

An example of a grad-school level question?
Which part of an atom is involved in chemical reactions?