The first phylum with complete digestive system was__________.

Cnidaria

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Nematoda

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Arthropoda

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Chordata

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Nematoda
Nematodes do not have a well-developed excretory system. But, they possess a well-developed digestive system that starts with the mouth and ends with an anus. They have an organ-system level of organization.

Suggest Corrections

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