Answer:
A linear species accumulation curve.
Explanation:
Species accumulation curve may be defined as the curve used to determine the total number of the species present present in a particular area. Different type of species accumulation curve depending on the species richness.
The linear species accumulation curve determines that the number of species increases with the sampling. The more sampling of the amphibian community increases the number of individuals determines that it shows the linear species accumulation curve.
Thus, the correct answer is option (c).