What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg?
O A. differentiation
O B. natural selection
O C. selective breeding
O D. genetic engineering
Need ASAP!

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