
Books
A debatable account of the origin of races

Books
A debatable account of the origin of races

The Present Evolution of Man
Man still evolves by natural selection for his environment, but it is now an environment largely of his own making. Moreover, he may be changing the environment faster than he can change biologically

Strangler Trees
In tropical forests certain tree species climb toward the sun on the trunks of others and choke them to death. These strange plants illustrate a central problem in the theory of evolution

Genetics
The organized study of the mechanism of heredity evolution began only with the 20th century and rediscovery of the lost work of Gregor Mendel

The Genetic Basis of Evolution
The rich variety of living and dead species of plants and animals is the result of subtle interplay between the hereditary mechanism and a diversified environment,