Lack of symmetry is identified in which group of animals?
Correct answer: C. Parazoa
- A. Protozoa
- B. Radiata
- C. Parazoa
- D. Coelomates
Explanation
Parazoa is a group of animals that lack true tissue organization and symmetry. This group includes organisms like sponges. These animals do not possess well-defined tissues or organs and exhibit a lack of symmetry, meaning they do not have a distinct bilateral or radial symmetry like more complex animals.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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