Which of the phylum lacks circulatory and excretory system ? a) mollusca b) Arthropoda c) Annelida d) Echinodermata
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Answer:
(C) is correct Arthropoda
Explanation:
The phylum that lacks a respiratory and a circulatory system is phylum Arthropoda.
Explanation: The phylum arthropoda is a 'group of organisms' that contains an exoskeleton; they are in vertebrate animals that majorly consists of the crustaceans.
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Explanation:
Phylum Arthopoda is the right answer
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