Answer:
f. light
Explanation:
too little sunlight can cause seedlings to turn yellow
Humans even though i dont believe in evolution but that is the scientific answer
The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.
Darwin's theory of evolution by natural selection can explain how antibiotics are becoming defective because the bacteria that is trying to be fought off might have had a mutation making it more likely to survive. Once that surviving bacteria makes offspring most of the first generation will die from the antibiotic but soon all of their offspring will produce a resistance to that antibiotic.
