Following are the statements about prostomium of earthworm. [2021]
(A) It serves as a covering for the mouth.
(B) It helps to open cracks in the soil into which it can crawl.
(C) It is one of the sensory structures.
(D) It is the first body segment.
Choose the correct answer from the options given below:
(B) and (C) are correct.
(A), (B) and (C) are correct.
(A), (B) and (D) are correct.
(A), (B), (C) and (D) are correct.
(2)
Prostomium present at the anterior lobe of the earthworm serves as a covering for the mouth and as a wedge to force open cracks in the soil into which it can crawl. It is one of the sensory structures. The peristomium (buccal segment) is the first body segment.
