It is false scientist don't need to repeat an experiment
Answer:
Thorns and colour.
Explanation:
The thorns are there to protect the stem from being cut or wild animals trying to eat it.
The colour is there to attract insects and pollinators to come and spread pollen.
The combination of citrus food in the diet may help Jared in creasing the absorption of iron by his intestine. The fruits and vegetables rich in Vitamin C and the Ascorbic acid such as lemon, oranges etc., may be used. Further, beta-carotene rich sources like carrots, apricots, beans, spinach also will also help him.