Spiral and determinate type cleavage is present in:
Correct answer: A. Pinworm
- A. Pinworm
- B. Star fish
- C. Cake urchin
- D. Amphioxus
Explanation
Spiral and determinate type cleavage is present in proterostomes. Pinworm belongs to phylum. Aschelminthes that are proterostomes
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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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