In which phylum, the coelom is formed by fusion of gut pouches during embryonic stage?
Correct answer: D. Hemichordata
- A. Platyhelminthes
- B. Aschelminthes
- C. Annelida
- D. Hemichordata
Explanation
In enterocoelous animals, the coelom is formed from pouches pinched off from the digestive tract which is also known as the embryonic gut or archenteron during the embryonic stage. This type of coelom occurs in deuterostome animals. Hemichordata is a phylum of marine deuterostome animals. So, the correct answer is 'Hemichordata'.
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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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