Plz help

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly