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Select the correct match regarding earthworm
Option: 1
Circulatory system - Open
Option: 2
Excretory system - Protonephridia
Option: 3
Respiratory system - Haemoglobin
Option: 4
Fertilization - External
Answers (1)
As we have learned
Respiration in annelida -
Occurs by moist skin (cutaneous respiration) or through gills (branchial respiration).
- wherein
Respiratory pigments, haemoglobin or erythrocyanin are dissolved in blood plasma.
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