Answer:
the food web
Explanation: A food web is a conceptual model that represents the flow of energy through an ecosystem.
A. the mitochondria and chloroplasts are much different in structure than bacteria
Evolution overs over time such that the best traits are being passed on from successive generations in every species or populations. We can compare these different species from a common ancestor. Evidences include fossil evidence, genetic evidence, comparative anatomy and more. These are usually shown in phylogenetic trees. Most apparent differences between wolves and dogs are their anatomy or morphology. Fossils support these. Behavior between them are different especially in terms of mental differences.
Best answer is A.
