Vertebrates belong to phylum chordata because -----------
Correct answer: A. They have a vertebral column
- A. They have a vertebral column
- B. Their brain is enclosed by the skull
- C. The embryos have gills
- D. The body develops from 3 germinal layers
Explanation
The vertebrates have a vertebral column, something like the notochord. Vertebrates show all the characteristic features of the phylum Chordata, such as the notochord, dorsal nerve cord, pharyngeal slits and post-anal tail.
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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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