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The Development And Structure Of Feeding Arms In Antarctic Species Of Pterobranchs (Pterobranchia, Hemichordata), Catherine Krahe '06
The Development And Structure Of Feeding Arms In Antarctic Species Of Pterobranchs (Pterobranchia, Hemichordata), Catherine Krahe '06
Honors Projects
Pterobranchs are of particular interest to evolutionary biologists because as members of the phylum Hemichordata, they share characteristics with vertebrate animals and other chordates. The focus of this study is an examination of the development, structure, and function of the feeding arms in several species of pterobranchs collected from depths greater than 500 m from waters surrounding Antarctica. Pterobranch zooids in the genus Cephalodiscus feed using a crown of arms held over the dorsal surface of the body to filter particles from the water. Larvae released from adult tubes are ciliated, but lack feeding arms and are thought to derive …
Book Review- Amphibians Of An Amazonian Blackwater Pond In Peru: Schluter, A., Edgar Lehr
Book Review- Amphibians Of An Amazonian Blackwater Pond In Peru: Schluter, A., Edgar Lehr
Scholarship
No abstract provided.