photosynthesis is a source of food for the plant by converting carbon dioxide, water, and sunlight into carbohydrates & most plants provide food for themselves by performing photosynthesis ->  plants provide food for themselves by converting sunlight into carbohydrates  plants provide food for themselves by converting sunlight into carbohydrates & some food contains carbohydrates ->  plants provide food for themselves by converting sunlight into food  plants provide food for themselves by converting sunlight into food & to convert something into something else means to turn something into someting else ->  plants provide food for themselves by turning sunlight into food  plants provide food for themselves by turning sunlight into food & making something is a kind of method for providing something ->  plants make food for themselves by turning sunlight into food  plants make food for themselves by turning sunlight into food & if an organism makes food for itself then that organism does not need to eat other organisms & a plant is a kind of organism ->  plants do not need to eat other organisms because they turn sunlight into food  plants do not need to eat other organisms because they turn sunlight into food & food is a source of energy for animals / plants -> plants do not need to eat other organisms because they turn sunlight into food energy