Which of the following shows radial symmetry?
Correct answer: C. Cnidarian
- A. Chordates
- B. Annelids
- C. Cnidarian
- D. Round worms
Explanation
Radial symmetry means the organisms that can be divided into two equal parts so the answer is option C. Cnidarian is the answer because members of the group include jellyfish, sea anemones, and hydra. They are a diverse group, but all organisms in this phylum have radial symmetry and can be divided into equal parts through a central axis just like a pie.
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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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