Which system fights off disease? -endocrine -skeletal -nervous -immune

Which sentence best expresses the differing opinions of these two book reviews?

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Which of these statements are true about scientific theories and hypothesis