Sun Chloroplasts Mitochondria is the best flow of energy for a Producer.
The vertebrate endoskeleton is internal while an arthropod's exoskeleton is not
Explanation:
Storing the food helps them to use it in winter and survive because there is very little sunlight available and so they photosynthesis less. When they have extra food they store it in their seeds and when the seed grows it gets it's food from the plant until the plant is able to photosynthesis and produce its food.
