Need this 2 answers anything will help

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

answer; /// the shaft of the hair consists of dead cells;