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- DictionarySpe·cies/ˈspēSHēz/
noun
- 1. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.
- 2. a kind or sort: "a species of invective at once tough and suave"
On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) is a work of scientific literature by Charles Darwin that is considered to be the foundation of evolutionary biology.
May 29, 2024 · Darwin hastily began an “abstract” of Natural Selection, which grew into a more-accessible book, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life.
Oct 28, 2023 · DETEAILED CONTENTS. ON THE ORIGIN OF SPECIES. INTRODUCTION. CHAPTER I. VARIATION UNDER DOMESTICATION. Causes of Variability. Effects of Habit. Correlation of Growth. Inheritance. Character of Domestic Varieties. Difficulty of distinguishing between Varieties and Species. Origin of Domestic Varieties from one or more Species.
Charles Darwin’s Origin of Species led Jeffrey to interpret the form and structure of plants historically and to use comparative morphology and anatomy to provide evidence of specific evolutions. In 1899 Jeffrey reclassified all vascular plants into Lycopsida and Pteropsida; while later classifications have refined plant groupings,…
Darwin hypothesizes that the minor variations we see within a single species—such as variations in size, shape, and color of organisms—are related to the more distinct variations seen across different species. His theory of evolution explains how variations cause the origin of species.
Nov 9, 2022 · AN HISTORICAL SKETCH OF THE PROGRESS OF OPINION ON THE ORIGIN OF SPECIES, PREVIOUSLY TO THE PUBLICATION OF THE FIRST EDITION OF THIS WORK. I will here give a brief sketch of the progress of opinion on the Origin of Species.
Aug 22, 2018 · The genesis of Charles Darwin's book On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (1859) is well known, and the changes that it underwent in subsequent editions are well documented.
