ISBN: 9780282968274 - a study of the life history and habits of chætopterus variopedatus, vol. 20: dissertation submitted to the board of university studies of the johns ... for the degree of doctor of philosophy (3 résultats)

PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000.

PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Etat : New. Print on Demand. This book provides insights into the life cycle and habits of Chaetopterus variopedatus, a lesser-known but fascinating species of marine annelid, commonly known as the parchment worm. The author offers an in-depth analysis of the morphological adaptations that allow this worm to thrive in its unique habitat within U-shaped parchment tubes in marine sand flats. The book explores the diverse functional roles of Chaetopterus' body regions, highlighting the specialized structures it employs for feeding, respiration, and locomotion. The author demonstrates how the worm's feeding behavior is intricately tied to the ciliary currents it creates, and how it utilizes mucus to capture and process food particles. The work also delves into the worm's reproductive biology, describing the developmental stages from egg to adulthood, and providing insights into its remarkable regenerative capabilities, showcased by its ability to restore lost body segments. The author's observations and analysis broaden our understanding of the adaptations and behaviors found within the diverse world of marine invertebrates. This book offers a valuable resource for researchers, students, and marine enthusiasts seeking to deepen their knowledge of these intriguing creatures and their intricate ecological roles. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…