Fill up the blank spaces appropriately

Phylum/Class

Excretory organ

Circulatory organ

Respiratory organ

Arthropoda

A

B

Lungs/Gills/Tracheal system

C

Nephridia

Closed

Skin/parapodia

D

Metanephridia

Open

E

Amphibia

F

Closed

Lung

Answers (1)

The answer for A = Malpighian tubules
The answer for B = Open
The answer for C = Annelida
The answer for D = Mollusca
The answer for E = Feather-like gills
The answer for F = Amphibians have kidneys as their excretory organs

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