Insects and cephalopods and oysters and vertebrates and many others all developed eyes independently of each other.

Los insectos, cefalópodos, ostras, vertebrados y muchos otros desarrollaron ojos de forma independiente.

Sawyer, Robert / Calculating GodSawyer, Robert / El calculo de Dios

El calculo de Dios

Sawyer, Robert

© 2002 by Ediciones B, S.A.

© 2000 by Robert Sawyer

Calculating God

Sawyer, Robert

© 2000 by Robert Sawyer

These oysters (below middle) in the Niger Delta, Nigeria, will lose their habitat if the mangrove trees are killed.

Estas ostras (abajo centro) en el Delta del Niger, Nigeria, perderán su hébitat si los mangles mueren.

© Copyright IPIECA

http://www.ipieca.org/library/ 2/24/2012

© Copyright IPIECA

http://www.ipieca.org/library/ 2/24/2012