Which among the following characteristic does not belong to arthropods?
A
Largest phylum
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B
Blood filled coelomic cavity
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C
Possess water vascular system
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D
Jointed appendages
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Solution
The correct option is C Possess water vascular system
Phylum Arthropoda includes the largest number of animals. Hence, is the largest phylum of kingdom Animalia.
They occur on land, in the soil, marine water and in the bodies of plants and animals as parasites.
The coelomic cavity of the organisms in phylum Arthropoda is blood filled.
They have jointed legs. The body is segmented externally and consists of head, thorax and abdomen.
Water vascular system, on the other hand is the characteristic feature of phylum Echinodermata. It helps in locomotion, capture and transport of food and in respiration.