During which section of the geologic time scale did the first modern human evolve?

a. during the paleogene period of the cenozoic era
b. during the quaternary period of the cenozoic era
c. during the cretaceous period of the mesozoic era
d. during precambrian time

"During the Quaternary period of the Cenozoic era" is the section of the geologic time scale among the choices given in the question that the first modern human evolved. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for