Question

if non labelled diagram of earthworm is given then which special characters must be shown to include it in specific phylum

Answer 1

Metamerical segmentation

Answer 2

Answer:

Earth worms are included in the Phylum annelids.

Explanation:

The most important and specific character that includes earth worms though not labelled in presenting diagram is Bilateral and segmented body structure.

Segmented body structure is also called as metameric body structure or true segmentation.

This segmentation is because of prostomatic development in zygotic stages.

So annelids are also called as segmented worms.