Annelida is a various staff of animals, often often called segmented worms and presently comprising round 14000 defined species. present in so much marine and freshwater components, annelids have additionally effectively occupied many subterranean habitats. This quantity records annelid copy within the context in their phylogenetic relationships. It provides an creation and evaluate to the present systematics of annelids and offers studies to extensive facets of copy throughout Annelida. The chapters conceal oogenesis, sperm, mating, early improvement, larval improvement and larval ecology. The e-book additionally covers a few of the significant clades (or purported clades) of annelids and addresses comparable matters. the ultimate bankruptcy covers the various extra tricky annelid teams when it comes to their phylogenetic placement.
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