Answer:
A double diet is where an organism gets nutrition from plants/meat and the sunlight. An advantage is that they can stay energised for a long time without having to eat by just staying in direct sunlight.
Explanation:
cvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvExplanation:
1) red blood cells
2)erythrocytes
3)keep them warm and seek help
I don't know if this will help you I was in first aid so the last one may or may not help you
