50 points! Plz help Why can eukaryotes be considered "combination" organisms?

Some of their genes and cellular characteristics were derived from archaea, and others from bacteria.
They eventually developed flagella.
They eventually developed cellulose plates.
Their diversity outnumbers prokaryotes by over one million species.

What feature of cell theory is best demonstrated in the image

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)

Which structure in the cardiovascular system connect arteries to veins?