Answer:
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
Explanation:
It would be the respiratory system
What he said was right man
Mark me Brainlyist tho it would make my night
The correct answer of the given question above would be the third option: THE EVOLUTION OF POPULATIONS OVER TIME. What is represented by the base of a phylogenic tree is the evolution of populations over time. It is also known as the evolutionary tree. This tree shows the evolutionary relationships among species.