Answer:
its b sunlight
Explanation: because why would a plant grow according to pressure gravity or touch.
It helps in digestion of food
Answer:
The pollen grain is creating a tube down the style of the flower. <u>It is necessary as that is how the pollen is able to travel down the style into the ovary where the baby seed is located. This is how the seed is fertilized, and is ready for reproduction.</u>
Color blindness I’m guessing cause I don’t see how it has anything to do with sex linked disorders