The answer is D.) Some environmental change has happened that favors the red flowers. The reason is, this is the most logical answer, the other are close, but D.) makes the most sense.
The correct answer is "spindle apparatus" or "mitotic/meiotic spindle" or just "spindle". The spindle is a structure made of microtubules wherein it acts to separate the sister chromatids from the daughter cells, eventually separating chromatids from one pole to the other.
Answer:
Maybe it is 5.50 because not much information is given to calculate it or to find it.
I want to Say A - I searched google and it said that Archaea has something called membrane lipid bonding, ( which is oils and fat ) I didn't see anything about nucleus, size, or cell wall.
Hope this helped!