Wetlands effectively remove nutrients like nitrogen and phosphorus from the water column, reducing the likihood that the water discharde from the wetlands will stimulate excess primary production in downstream lakes or estuaries. In what class of ecosystem services is the removal of such pollutants?

A. Supporting
B. Provisioning
C. Regulating
D. Cultural

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.