Answer :

Explanation:

There are five categories of living things: plants, fungi, animals, bacteria and protozoa. Bacteria are always single-celled and prokaryotic, which means they have no nucleus, no organelles, and their circular DNA is in the cytoplasm. Protozoa and fungi can be both single-celled and multicellular But they are eukaryotes, which means they have organelles and a nucleus. Their DNA is linear and circular and is located inside their nucleus. And there are 13 types of animals : Invertebrates, sponges, marsupials, worms, molluscs, fins, echinoderms, vertebrates, fishes, amphibians, rodents, birds and mammals.

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