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Prostomium is
Option: 1
Mouth of the earthworm
Option: 2
Covering on the mouth of earthworm
Option: 3
Glandular tissue
Option: 4
Buccal cavity
Answers (1)
The prostomium is a lobe that acts as the covering of the mouth. It also acts as a wedge to open up the soil when the earthworm crawls.
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