Frogs differ from humans because they possess:
Correct answer: C. Nucleated red blood cells
- A. Paired cerebral hemispheres
- B. A hepatic portal system
- C. Nucleated red blood cells
- D. A thyroid as well as parathyroid
Explanation
Human erythrocytes are enucleated and discoidal while in frogs erythrocytes are large, oval and biconvex nucleated cells. Erythrocytes are the carriers of haemoglobin.
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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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