All are correct about acoelomates except:
Correct answer: B. Well-developed respiratory system
- A. Sac type digestive system
- B. Well-developed respiratory system
- C. Parenchyma till the body space
- D. Well-developed excretory system
Explanation
Acoelomate includes animals of Phylum Platyhelminthes in which respiratory and circulatory system is absent. Gaseous exchange takes place directly through body surface
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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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