Answer:
True.
Explanation:
<em>Ehrlichia </em>are the type of bacteria that belongs to the genus Rickettsiales. These bacterias are responsible for the transmission of disease ehrlichiosis.
The developmental stages of this bacteria is well known and studied to control its transmission. The three well developmental stages of <em>Ehrlichia </em>are elementary body, the initial body and the morula stage.
Thus, the answer is true.
I can't read the paper, so all I can say is read Darwin's Survival of the Fittest and you will understand evolution.
Answer is….drumroll please A
It's the pull of gravity on an object.
Hope this helps!