Are believed to be the ancestors of the protists and first eukaryotes.
a: eubacteria
b: archaea.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Which organism can most likely be classifild as domain bateria

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar