Because the plant is unaffected as the worms benefit
Because they are smarter then plants
Assuming that all of them was made without sugar, Butter beans has the most amount of carbohydrates the options above
100 gram of butter beans contains about 21 gram of carbohydrates. This is way more than tuna and fruits who contains 0 carbs and protein that only contains 1.1 gram.
I disagree with the current answer. I believe the answer is the one you have selected. This is because the three domains of life are separated into 3 categories, bacteria, archeabacteria, and eukaryotes. Archeabacteria are prokaryotic, and possess no true nucleus.