Concept explainers
Species-Area Relation The number of species of given taxonomic group within a given habitat (often an island) is a function of the area of the habitat. For islands in the West Indies, the formula
Approximates the number S of species of amphibians and reptiles on an island in terms of the island area A in square miles. This is example of species-area relation.
a. Make a table giving the value of S for islands ranging in area from 4000 to 40,000 square miles.
b. Explain in practical terms what S
c. Use functional notation to express the number of species on an island whose area is 8000 square miles, and then calculate that value.
d. Would you expect a graph of S to be concave up or concave down?
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