Egg-laying mammals are called:
Correct answer: E. Both A and D
- A. Prototheria
- B. Protozoa
- C. Chordata
- D. Monotremes
- E. Both A and D
Explanation
Monotremes lay eggs and prototheria are both egg-laying mammals so the question has two correct answers. Chordata, the classification to which humans belong, are those that do not lay eggs but rather give birth to young ones. Protozoa, on the other hand, are unicellular organisms.
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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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