Rey to Worms is 1. a. worm has divided body parts (segmented) b. worm is not divided (unsegmented) (Go to 3.) (Go to 2.) 2. a. worm has spine-covered head b. worm does not have spiny projections, body is long and round .Acanthocephala ...Ascaris 3. a. worm does not have spines, has saddle-like portion b. no saddle portion, has spines.. Lumbricus Nais

Rey to Worms is 1. a. worm has divided body parts (segmented) b. worm is not divided (unsegmented) (Go to 3.) (Go to 2.) 2. a. worm has spine-covered head b. worm does not have spiny projections, body is long and round .Acanthocephala ...Ascaris 3. a. worm does not have spines, has saddle-like portion b. no saddle portion, has spines.. Lumbricus Nais

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter31: Animal Phylogeny, Acoelomates, And Protostomes

Section: Chapter Questions

Problem 10TYK: What is the major morphological innovation seen in annelid worms? a. a complete digestive system b....

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