Which diagram is the most appropriate representation of gene flow?

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.

idk im sorry.

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i wish i could with all of them i can barley see the first one so here's the answer to the first one b