Which factors affect species richness in an area according to species-area relationship? \[ S = CA^Z \]

1. Which factors affect species richness in an area according to species-area relationship? \[ S = CA^Z \]

1. C = constant depending on unit of area2. A = area of the habitat3. Z = slope of the line (typically 0.1 to 0.2)4. All of the above

1. Only 1 and 22. Only 1, 2 and 43. Only 2 and 34. All of the above

1. 1, 2 and 3 only2. All of the above3. 1 and 3 only4. 1, 2 and 4 only