9780282620073 - The Origin and Significance of Spines: A Study in Evolution (Classic Reprint) de Beecher, Charles Emerson (3 resultados)

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

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

Paperback. Condición: New. Print on Demand. This book explores the significance and origin of spines, a feature found across the natural world, from plants to animals. The author traces the historical development of spinose creatures through geological eras, noting that early species were often smooth and unornamented. The book posits that the evolution of spines serves a defensive and offensive purpose in species survival. Spines are a result of stimuli from the environment as well as the restraint of the environment, deciency of growth force, or growth force. The author connects the development of spines to broader concepts of variation, growth, and evolution, viewing them as an expression of important vital adjustments and conditions. Through analyzing spine evolution, the author reveals how it reflects a stage of evolution, a degree of differentiation in the organism, and a measure of vital power. 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.