They had no natural predators, so they spread quickly and ate the farmers crops and also made the bilby an endangered species.
Producers rely on light because that is what they use to "produce" food. Consumers, however, also rely on light, because first of all they need to see, and second of all, the light fuels growth of producers, which in turn, when consumers eat the producers, promote growth of other consumers.
Great question :)
Well for one there wouldn’t be a body or at that organs at all. This is because it would be physically impossible for all cells to be the same as we wouldn’t be able to carry out vital bodily functions for everyday living.
Having an extra, missing, or damaged chromosome.