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Question
Which one of the following features is common to earthworm, butterfly, spider and prawn?
Which one of the following features is common to earthworm, butterfly, spider and prawn?
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Solution
The correct option is C Ventral nerve cord
- Butterfly, spider, and prawn belong to Arthropoda phylum whereas Earthworm belongs to Annelida phylum.
- The presence of the ventral nerve cord is a typical non-chordate character that is present in earthworm, butterfly, spider, and prawn.
- Setae are present in earthworm for locomotion whereas butterfly, spider, and prawn have jointed appendages.
- The presence of antennae is a characteristic feature of Arthropoda but is absent in Annelida phylum. The excretory organ nephridia are present in earthworms whereas excretory organ of prawn is green glands, an excretory organ of spider is coxal glands and excretory organ of the butterfly is Malpighian tubules.
Thus, the correct answer is option C.
- Butterfly, spider, and prawn belong to Arthropoda phylum whereas Earthworm belongs to Annelida phylum.
- The presence of the ventral nerve cord is a typical non-chordate character that is present in earthworm, butterfly, spider, and prawn.
- Setae are present in earthworm for locomotion whereas butterfly, spider, and prawn have jointed appendages.
- The presence of antennae is a characteristic feature of Arthropoda but is absent in Annelida phylum. The excretory organ nephridia are present in earthworms whereas excretory organ of prawn is green glands, an excretory organ of spider is coxal glands and excretory organ of the butterfly is Malpighian tubules.
Thus, the correct answer is option C.
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