All cells have some universal features. which of these is a universal feature found in every single cell on earth?

With “which” meaning there are multiple answers to a question you haven’t provided, I can’t give you the correct option. But all cells will have DNA, cytoplasm, ribosomes, and a cell membrane. Hopefully those are one of the answers

you and your brother should be dizygotic twins (fraternal) twins since identical twins can only be one gender: boy and boy   or   girl and girl.

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.