The larva of balanoglossus (Hemichordate) is called:
Correct answer: C. Tornaria
- A. Bipinnaria
- B. Radiolaria
- C. Tornaria
- D. Trochophore
Explanation
Balanoglossus is a genus of ocean-dwelling acorn worms (Enteropneusta). Many hemichordates such as acorn worms have a larval stage in their life cycle; the larvae, called tornariae, swim using microscopic hairs called cilia. The tornaria larva resembles the bipinnaria larva of echinoderms.
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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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