An important characteristic that Hemichordates share with Chordates is:
Correct answer: D. Pharynx with gill slits
- A. Pharynx without gill slits
- B. Absence of notochord
- C. Ventral tubular nerve cord
- D. Pharynx with gill slits
Explanation
Animal belongs to phylum Chordata is characterized by the presence of the notochord, dorsal hollow nerve cord and pharyngeal gill slits. Hemichordata is the phylum of animals that shows certain similar characters of the Chordata such as the presence of pharyngeal gill slits.
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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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