Which one of the following is an example of a radial organism?
Correct answer: C. Sea anemone
- A. Planaria
- B. Human
- C. Sea anemone
- D. Insects
Explanation
Sea anemone belongs to phylum Cnidaria, which are radially symmetrical.Radial symmetry is a property of an item (e.g., a shape or an animal) that can be divided into two matching halves by many different lines, which all intersect one another at a single point in the center.
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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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