All of the following contributed to speciation in darwin's finches except
a. changes in gene pools.
b. lack of competition.
c. behavioral isolation.
d. geographic isolation.

silty loam

hope this

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.