A student is analysing the digestive system in different invertebrate animals. Which of the following structural changes enables efficient, unidirectional food processing and waste removal?
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) Acquisition of bilateral symmetry
- (B) Development of feeding tentacles
- (C) Development of two body openings
- (D) Presence of body segmentation
Verified Answer
Option (C): Development of two body openings
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