Which of the folowing system is not well developed in acoelomates?
Correct answer: D. Both A and B
- A. Excretory
- B. Nervous
- C. Transport
- D. Both A and B
Explanation
Acoelomates commonly possess a simple digestive tract, nervous system, and excretory system.
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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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