A brief history and some fundamentals / Craig M. Young -- Phylum Porifera / Manuel Maldonado and Patricia R. Bergquist -- Phylum Cnidaria / Vicki J. Martin and Ron Koss -- Phylum Ctenophora / Mark Q.

Ophioplocus esmarki brittle star, which is part of the Echinoderm phylum. Currently, my research focuses on the development of the Ophioplocus esmarki brittle star. Brittle stars belong to the phylum ...

COCKBAIN 1 has suggested an extension of the suture-line theory 2 of the origin and significance of pentamerism in the phylum Echinodermata, which depends primarily on the fact that all modern ...

define the term adaptation. describe adaptations of sea stars. explain how adaptations of animals enable them to survive in different environments. Sea stars, sea urchins, sand dollars and sea ...

In my previous All Creatures entry I introduced you to two local stars – seastars that is- in the waters around Palmer Station. As members of the phylum Echinodermata, sea stars have a large and ...

This exercise illustrates the two major features that all members of the Phylum Echinodermata have in common - the water vascular system and pentaradial symmetry. The take home message is that all ...

This is the perfect time of year to look for an amazing group of animals, the echinoderms. The phylum echinodermata includes the sea stars, sea urchins, sand dollars, sea cucumbers, sea daisies and ...

A new fossil relative of the starfish has turned up in 500 million-year-old sediments of the mountains in Morocco. "It's standing upright like a candle, or large cigar sticking out of the sediment," ...

General animal biology: Frog as a representative animal -- Materials of the animal body -- Body covering, skeleton, and body muscles -- Digestive systems and metabolism -- Circulatory systems -- ...