An example of a grad-school level question?
Fires in forests from lightning rid the forest of dead branches and leaves. If the trees survive and the soil remains intact, the forest will experience regrowth to its climax state by which process?

An example of a grad-school level question?
When two nuclei are combined into one nucleus, there is a slight change in mass and the release of a large amount of energy. What is this process called?

An example of a grad-school level question?
A flower produces seeds that fall to the ground and grow into new plants that produce more flowers. The seeds begin to grow by the process of

An example of a grad-school level question?
A research team wanted to produce a smaller variety of German shepherd dogs. They mated the smallest dogs from different litters for several generations. This is an example of which concept?