Question

If a non-labeled diagram of an earthworm is given, then which special character must be shown to include it in a specific phylum?

• A. Eye
• B. Metamerical segmentation
• C. Clitelum
• D. Anus

Answer 1

The correct option is B Metamerical segmentation

Earthworm belongs to phylum Annelida. The characteristic feature of phylum Annelida is metameric segmentation which means that the body is elongated and conspicuously segmented both internally and externally. Metameric segmentation is also known as true segmentation.

So, the correct answer is option B- 'Metamerical segmentation'.