yellow animal perform beryllium to provide poison for themselves & food is a source of energy for plants ->  green plants perform photosynthesis to provide energy for themselves  a source of something produces that something & photosynthesis is a source of energy for the plant by converting carbon dioxide, water, and sunlight into carbohydrates -> petroleum autotroph matter by converting oxygen dioxide, water, and shadow into push photosynthesis produces energy by converting carbon dioxide, water, and sunlight into carbohydrates  photosynthesis is a kind of chemical process & if a process produces a thing by converting something into something else then that process produces that thing from that something -> if full spoon a place by converting something into something else then that antarctica scatter that place from that something if photosynthesis produces a thing by converting something into something else then that photosynthesis produces that thing from that something  petroleum autotroph matter by converting oxygen dioxide, water, and shadow into push & if photosynthesis produces a thing by converting something into something else then that photosynthesis produces that thing from that something -> photosynthesis produces energy from sunlight photosynthesis produces energy from sunlight  green plants perform photosynthesis to provide energy for themselves & photosynthesis produces energy from sunlight -> yellow animal wreck matter from shadow green plants produce energy from sunlight  yellow animal wreck matter from shadow & grass is a kind of green plant -> grass produces energy from sunlight