Question

10. Identify the given phylum of animals.

Phylum	Level of organization	Symmetry	Coelom	Segmentation	Circulatory system	Digestive system	Respiratory system
???	Organ system	Bilateral	Coelomate	Present	Present	Complete	Absent

• A. Aschelminthes
• B. Annelida
• C. Arthropoda
• D. Mollusca

Answer 1

The correct option is B Annelida

phylum	level of organization	symmetry	coelom	segmentation	digestive system	respiratory system	circulatory system
Aschelminthes	organ level	bilateral	pseudocoelomate	absent	complete	absent	absent
Arthropoda	organ level	bilateral	coelomate	present	complete	present	present
Mollusca	organ level	bilateral	coelomate	absent	complete	present	present