In an Investigation of Sphagnum Growth, Researchers Measured the Growth

In an investigation of Sphagnum growth, researchers measured the growth of four different S. fuscum species (labeled a, ab, bc, and c in the figure) at four temperatures. The results of the investigation are represented in the graph. Which of the following claims is most consistent with the data?

A) S. fuscum species are best adapted to live in warm climates.
B) S. fuscum species grow faster at moderate temperatures.
C) S. fuscum species grow slower at warmer temperatures.
D) S. fuscum species are best adapted to growth in cold climates.