CSUBIOWEB
The Tree of Life Project
BUBL LINK : LIFE SCIENCES, BIOLOGY
Brooks/Cole Biology Resource Center
Bio Netbook
National Museum of Natural History
Virtual Library of Developmental Biology
Virtual Library:Biosciences
Natural Selection
Biores
HARVARD UNIVERSITY
Centro de investigaciones biológicas
BIOLINKS
AGROLINE
AGNIC
YAHOO SCIENCE
GOOGLE WEB DIRECTORY
GALAXY : DIRECTORIES
LII. Biology Topics

Biodiversidad - Ecologia
Biodiversity and Biological Collections Web Server
WFCC-MIRCEN:World Data Centre for Microorganisms
BUBL LINK : ECOLOGY
Biodiversity Information Netwok
ESA LINKS

Biotecnología
BIOTECH
BUBL LINK : BIOTECHNOLOGY
BIOTECHNOLOGY LINKS
Centro Nacional de Biotecnología

Biología animal- Zoología
VETGATE
BIOSIS
Museum of Zoology. University of Michigan
BUBL LINK : ZOOLOGY
The Electronic Zoo
The National Marine Mammal Laboratory
Links sobre Zoología
BIOSIS Internet Resource

Botánica
Center for Aquatic and Invase Plant
BUBL LINKS : PLANTS
Botanical Society of America
Horticulture & Crop Science
The Horticultural Site by Betrock Information Systems

Medioambiente
THE WWW Virtual Library Environmental
BUBL LINKS : MEDIOAMBIENTAL
Environmental Policy Studies
European Environment Library Network

Oceanografía
Aquatic Network
BUBL LINK : OCEANOGRAPHY
Instituto Español de Oceanografía

Genética
BUBL LINK : GENETICS
Open Directory Project:Genetic
Google Web Directory:Genetic

Biología Molecular 
Cell and Molecular Biology Online
Google Web Directory:Molecular Biology
Open Directory Project:Molecular Biology

Microbiología
An Electronic introduction to Molecular Virology
Open Directory Project:Microbiology
Google Web Directory:Microbiology

Didáctica
BIODIDAC
The Biology Project

Revistas
PREPRINT Network
The WWW Virtual Library:Cell Biology
BioMed Central Biology