B. Protostome development
Several sources have noted that Vitamin D is more of a hormone than a nutrient. The substance controls the concentration of calcium that is present in our system especially in the blood. The hormone is essential and vital in strengthen bones.
Hence, the answer to this item is letter A. True.
I would say D.....................
According to my 9th grade biology knowledge,
The answer to this question is A: They have a recent common ancestor.
Answer:
where ??? i only see isn letter A-D
