symbiogenesis

Invasion of the body snatchers

The residents of San Francisco are invaded by alien pods that are cloning humans and destroying the original bodies.

from hornworts to hippos, how the unassuming microbe has driven evolution

2001

A scientific exploration of the role of microbes in the process of evolution.

a new look at evolution

1998

Explains the role symbiosis played in the evolution of the planet and discusses how species classification determines how people think about nature.