"Invertebrates" 2nd edition presents a modern survey of the 34 animal phyla (plus the Protista) and serves as both a college course text and a reference on invertebrate biology. It is organized around the themes of bauplans (body plans) and evolution (phylogenetics). Detailed classifications, phylogenetic trees, and references for all phyla are provided. The text is accompanied by detailed line drawings and - new to this edition - four-colour photographs. Other key changes from the 1st edition (1990) include: the incorporation of all the new developments in phylogenetics, developmental biology and molecular genetics; major changes at the highest levels among the invertebrates; three phyla that appeared in the original book Pentastomida, Pogonophora and Vestimentifera no longer exist, and an entire new phylum, Cycliophora, has been erected. Moreover, this edition discusses recent work in molecular systematics, and there is a large new section on "Kingdom Protista" (...
Thankyou sir for providing these wonderful book as per upsc syllabus
ReplyDeleteSir it's just initiation we will bring more initiative for zoology and resources as well.
DeleteThankyou sir
ReplyDeletekerps and beckers books iam unable to downloand, please solve the problem
ReplyDeleteThanks for letting us know, your issue has been resolved, Keep visiting
Delete