Change in the external Environment may resulted in the changing in the population of beetles.
The pair of characteristics that one must use to classify a fish is the presence of jaw and skeleton type. Agnatha fishes are also called jawless fishes and they lack bony skeletons. Cartilaginous fishes are composed of cartilage skeletons. Bony fishes have bony skeleton structures.
It seems that you have missed the given options for this question, but anyway, the correct answer would be PHOTOSYNTHESIS. When a chloroplast uses light energy to initiate a reaction between carbon dioxide and water, the <span> products of this reaction are sugar and oxygen and the process that uses this function of a chloroplasts is photosynthesis.</span>
The correct answer is a theory.
A theory is a rational and contemplative kind of generalizing or abstract thinking or the outcomes of such thinking. On the basis of the context, the outcomes might involve generalized illustrations of how nature functions.
A theory can be a source of knowledge that may or may not is related to the specific explanatory models. To theorize is to create the body of knowledge.
