A direct advantage of using water as an electron source for photosynthesis was that _________.
A)organisms could live in fewer habitats than they could previously
B)organisms could get larger
C)organisms were able to live in a much more diverse array of habitats
D)organisms could be smaller
E)organisms could be rehydrated more readily

Question

Quizplus · Accepted Answer

Using water as an electron source for photosynthesis allowed organisms to live in a much more diverse array of habitats. This is because water is abundant in many environments, including aquatic habitats and moist terrestrial habitats. By utilizing water, photosynthetic organisms were able to expand their range of potential habitats.

A Direct Advantage of Using Water as an Electron Source