➢ Is the tripartite body plan of phoronids advantageous for them? Why or why not? ➢ Why is the formation of actinotroch necessary for phoronids? ➢ What are the advantages of being colonial for bryozoans? What are its downside

➢ Is the tripartite body plan of phoronids advantageous for them? Why or why not? ➢ Why is the formation of actinotroch necessary for phoronids? ➢ What are the advantages of being colonial for bryozoans? What are its downside

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

Chapter27: Protists

Section: Chapter Questions

Problem 3TYK

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Concept explainers

Animal Diversity

Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.

Platyhelminthes

Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.

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➢ Is the tripartite body plan of phoronids advantageous for them? Why or why not?

➢ Why is the formation of actinotroch necessary for phoronids?

➢ What are the advantages of being colonial for bryozoans? What are its downside?

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