Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain. Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources :)
Answer:
A. Mobility
Explanation:
That Organism is a Prokaryote, The strings behind it helps the organism move around. If it didn't had those strings, the prokaryote would float around and it would have a hard time finding food to consume and survive.
The answer would be D, evolved from a common ancestor
Hope this helps!
