Over time, a plant pollinated by a hummingbird has developed very long, tube-like flowers. why might the flower have adapted in this way? this is a short answer question i also have to expain why i think this

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.