During the period of time labeled Z in the graph, there is a drastic change in biodiversity. Which of following best describes the ecosystem at the rnd of time period Z?

What are the probable phenotypes of their offspring

Nerve cells are specialized to respond to stimulitrue or false?

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.