Write your own definition for biological diversity.
Think about a time you have seen a flock of Canada geese (Branta canadensis) flying overhead. If you could examine the geese closely, would they look identical? Explain your answer.
Name a situation in which it would be useful to determine the diversity index of an area.
Invent an animal that is perfectly adapted for living inside the school gym.
One variation seen in birds is the placement of the eyes. Shown here is the American woodcock, which feeds on worms in the ground. Its eyes are located virtually on the top of the head. Explain how this variation may be a useful adaptation.
The bubonic plague, or Black Death, kills people every year. However, it was devastating when it swept through Europe in the sixth, fourteenth, and seventeenth centuries. It killed 90% of the people exposed to the germ and resulted in the deaths of approximately 137 million people. Why was everyone not killed by the Black Death?
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