Phylums and related characteristics are given below. Choose an appropriate option which fills the blank spaces.
PHYLUM/CLASS EXCRETORY ORGANS CIRCULATORY ORGANS RESPIRATORY ORGANS
1 Arthropoda A Open Trachae
2 B Metanephridia Open Gills
3 Amphibia C Closed D

Question

Phylums and related characteristics are given below. Choose an appropriate option which fills the blank spaces.

	PHYLUM/CLASS	EXCRETORY ORGANS	CIRCULATORY ORGANS	RESPIRATORY ORGANS
1	Arthropoda	A	Open	Trachae
2	B	Metanephridia	Open	Gills
3	Amphibia	C	Closed	D

TestHub · Accepted Answer

The excretory organs of arthropoda are: Nephridia, Coxal Glands, Green Gland, Malpighian Tubules with open circulatory system. They respire by the help of Trachae/book lungs

Mollucs also have a well developed excretory system, using tubular nephridia organized as kidneys. They respire by the help of gills which are also called as ctenidia.

Amphibia possess two kidneys located dorsally, in the body cavity which helps in excretion of waste. They have tails gills/gills for respiration in larval stages while lungs in adult.

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