Class 11 Biology Animal Kingdom Phylum - Aschelminthes

Easy

Which of the following systems are not well-developed in $Aschelminthes$ (roundworms)?

A
Respiratory and digestive
B
Circulatory and respiratory
C
Excretory and nervous
D
Reproductive and excretory

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Class 11 Questions

Class 11

Biology Questions

Chapter

Animal Kingdom

Subtopic

Phylum - Aschelminthes

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