Titlebook: Biology and Ecology of Earthworms; Clive A. Edwards,Norman Q. Arancon Book 2022Latest edition Springer Science+Business Media, LLC, part o

Fulminate

Earthworm Morphology, cuticle, bearing setae on all segments except the first two, with an outer layer of circular muscles and an inner layer of longitudinal muscles. Earthworms are hermaphrodite and have relatively few gonads, situated in consistent segmental positions. When mature, and after fertilization of the eggs,

淡紫色花