Table 1. Comparison of structure, function, and behavior of the five (5) major echinoderm classes. Class Method Food Skeleton Location Locomotion Predator of eaten structure of tube defense feeding feet Echinoidea long tube ossicles fused into rigid interlocking entire plates (called a test) www feet covering body surface grabs prey with arms; everts ww w stomach Ophiuroidea detritus can drop off arms and escape Holothuroidea tube feet walking feather stars small calcium can walk on plates called ossicles appendages called cirri; some can ww www swim using their arms

Table 1. Comparison of structure, function, and behavior of the five (5) major echinoderm classes. Class Method Food Skeleton Location Locomotion Predator of eaten structure of tube defense feeding feet Echinoidea long tube ossicles fused into rigid interlocking entire plates (called a test) www feet covering body surface grabs prey with arms; everts ww w stomach Ophiuroidea detritus can drop off arms and escape Holothuroidea tube feet walking feather stars small calcium can walk on plates called ossicles appendages called cirri; some can ww www swim using their arms

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter27: The Reproductive System

Section: Chapter Questions

Problem 3ILQ: Watch this video (http://openstaxcollege.org/l/ovulation) to observe ovulation and its initiation in...

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