2. What field of science are homologous structures used as evidence for?
er
O photosynthesis
O evolution
O cell theory
O big bang

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.

i'll try what topic lol