Relationship: The little crocodile eats the frog. Explanation: Since the crocodile eats the frog that is because it is a carnivore and eats meat. It is also bigger than the frog and the strongest will win.
Relationship: The fly eats plants and is a herbivore. Explanation: The fly is actually not a complete herbivore and I would classify them as omnivores when they eat each other lots and poop would mean that all of the nutrients that a fly gets is through both.
Relationship: The sun is what gives the plants here it’s energy to live and to produce food. Explanation: The grass and plants will take in the suns rays and use them by photosynthesis to make their own food. The need the sun to survive.
Relationship: This fly here is eaten by a frog. Explanation: Frogs are complete carnivores because the only thing that the eat are bugs and other little insects. Maybe if they need to they will eat plants.