The deuterostomes differ from protostomes in all of the following respects except:
Correct answer: D. Embryonic origin of the mouth
- A. Early cleavages of the zygote
- B. The ultimate function of the opening to the Archenteron
- C. Number of germ layers in the developing embryo
- D. Embryonic origin of the mouth
- E. Embryonic origin of the coelom
Explanation
Both deuterostomes and protostomes have three germ layers.
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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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