In experiments measuring the NPP of grassland ecosystems over time and at different sites, Lauenroth and Sala discovered that
A) all grasslands respond to increased precipitation in the same way.
B) the greatest response to increased precipitation occurred at one site over a period of time.
C) some grasslands have different inherent abilities to increase growth in response to increased precipitation.
D) NPP decreased as precipitation increased.

Question

Quizplus · Accepted Answer

Lauenroth and Sala found that different grasslands have varying capacities to increase growth when precipitation increases, indicating that inherent differences exist among grasslands in their response to precipitation changes.

In Experiments Measuring the NPP of Grassland Ecosystems Over Time