A robin has difficulty pulling an earthworm from its earthen burrow because of small chitinous bristles called
A) Parapodia.
B) Segments.
C) Annuli.
D) Metanephridia.
E) Setae.

Question

Quizplus · Accepted Answer

Setae are small chitinous bristles found on earthworms that often make it difficult for predators, such as robins, to pull them from their burrows. Parapodia and segments are structures found in annelids (like earthworms) but are not relevant in this context. Annuli are ring-like structures found on earthworms but do not interfere with predation. Metanephridia are excretory structures in earthworms and are also not relevant in this context.

A Robin Has Difficulty Pulling an Earthworm from Its Earthen