<u>Answer</u>:
1. Type of medium - the nutrient availability is one of the vital factors for the growth of a bacterial colony. Thus, the used growth medium will fulfill this requirement.
2. Incubation temperature - all bacteria have an optimal temperature range in which maximum growth is achieved. Any variations from this will result in negative effects on the amount of bacteria that are produced.
3. Moisture - bacteria thrive in moist or wet environments. Thus, the availability of moisture is another vital factor for the growth of the colony.
Ducklings follow their mother due to imprinting.
Sexual gratification is the act of pleasing or satisfying one's sexual urges or others'. One of its kind is sexual sadism which is a sensual and sexual gratification derived from inflicting pain on a victim or seeing their victim suffer. It is a paraphilic coercive disorder wherein it inflicts continuous harm upon its victim even without the latter's compliance which sometimes lead not only to his/her eventual death but also defacement of his/her body.
Spring currents are made when the moon is in the full or new phases, and are stronger currents. Neap currents are made when the moon is in first or third quarter phases, and are weaker currents
D. Is the answer you are looking for, because the new bacterium is almost always the same as the parent. Answer D. Is not true.