E. Caomouflage is what prey use to blend into their surroundings.
The answer is cancer drugs. According to a united nations University Report, almost 62 percent of all discovered and distributed cancer drugs have been made or derived from the discoveries of medicinal plants. Cancer Drugs are usually made from Medicinal Plants, because they contain more effective effects than other substances.
Stairs are an example of an incline plane.
I believe the best answer for this is B. The variety of ecosystems found on the islands.
