Question

Choose the correct match

	Urochordata	Hemichordata	Cephalochordate
(1)	Chordata	Chordata	Non Chordata
(2)	Marine	Freshwater	Freshwater
(3)	Notochord in larva	Ciliary feeder	Ciliary feeder
(4)	Closed circulatory	Open circulatory	Closed circulatory

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

Answer: (C)

3

Urochordata are also called as sea squirts. It belongs to the phylum Chordata. Marine invertebrate animals belongs to this subphylum. In this, notochord is present only in larval tail. It has open circulatory system. Hemichordate is a phylum of marine deuterostome animals. Initially, it was placed under Chordata phylum. It is a ciliary feeder. The skin is covered with cilia. It has open circulatory system. Cephalochordata belongs to Chordata phylum. They are small, segmented marine animals. It has notochord. It is ciliary feeder and consumes microorganisms. It has closed circulatory system.

Thus, the correct answer is '3.'