| 1 résultat  | books.google.fr Lamarck had no theory of an origin of species nor did he consider common
descent. Most remarkably for an early nineteen th-centurv naturalist, he totally
disregarded geographic distribution, a body of information that was one of the
most powerful sources of Darwin's theory of common descent. Lamarck's New
Paradigm Lamarck states that his new theory is needed in order to explain two
well-known phenomena in the world of organisms. The first is that animals show
a graded series ... |
|
| |