Answer:
They are single celled organisms.
Explanation:
The correct answer among all of the given choices would be the third choice, CLOUDS.
I hope this is the answer you were looking for and that it helps!! :)
D is the correct answer since all others are highly unlikely.
Answer(s):
Box One= A Gene
Box Two= A Chromosome
Box Three= Heredity
I hope this helps! If it is wrong, I am very sorry! ;-;