An organism has the following features: multicellular; cells with true nuclei; able to move using a muscular tail; brain. to which kingdom would this organism belon?

Considering the features listed about the organism, it belongs to the Animalia kingdom because the main characteristic is to have a brain, which other species in the other kingdoms do not have; also, animals are the only species that have muscles compared to the other kingdoms, and each cell in their body has a true nuclei as its type is 'Eukaryotic:' a cell that contains a nucleus within membranes, so animals are mutlicellular organism.

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."

the answer is both an appeal to ethos and logos (if that's what your question options were)