Which of the following is classified under Kingdom Animalia?

Correct option is B

The correct answer is (b) Metazoa.
· Metazoa, or multicellular animals, are a major division within the Kingdom Animalia. These organisms are characterized by their multicellular structure, differentiation into various tissues, and typically complex body organization.
· Metazoans include a wide range of animal phyla, from simple sponges to complex vertebrates.
· This group represents the majority of known animal species.

Information Booster:
· Protozoa: Although once considered a part of Kingdom Animalia, Protozoa are now classified under the Kingdom Protista. They are single-celled organisms that can exhibit animal-like behaviors, such as motility and predation.
· Choanozoa: This group consists of single-celled organisms called choanoflagellates, which are closely related to the animal kingdom but are not classified under it. They are considered to be the closest living relatives of animals.
· Pipiens: This term is not a classification within the Kingdom Animalia. It might refer to a species name, such as "Culex pipiens," which is a species of mosquito.