Access Excellence : Excellent site on science education.  A  must see for all ages.

DNA from the beginning : Animations, history and valuable information.

Academicinfo net : A - Z  for academic information regarding Universities, Degrees, Exams etc.,

Biointeractive: Excellent site with many stimulations and virtual labs.

Arizona Biology : Learn a range of subjects from Molecular Biology, Cell Biology, Immunology etc.,

Cells Alive : Learn more about the basic units in life.  

Merlot : Free and open resource web material designed primarily for faculty and students.

Origin of Species : All you want to know about Charles Darwin and his Beagle Voyage.

Genomics Methods : List of methods pages for genomics.

Annual Reviews Collection : A collection of reviews from NCBI

Genomes : T. A . Brown, UMIST, Manchester, UK  introduces the concept of genomes (Online Book).

Educypedia : The educational encyclopedia. 

Teaching : Resources for Scientists Teaching Science

Biology Search Engines

Scrius : Search engine for scientific information.

Biotech Find : Biotechnology search engine.

Agriculture

Bugbios.Com : Entomological database for very cool databases.

Entomology Index : Internet resources  from Iowa State University Department of Entomology.

IPM images : The source of agricultural images from University of Georgia.

New Crop : The NewCrop resource online program from University of Purdue.

Plant Dictionary : Ohio State University Horticulture and Crop Science Department resource page.

Plant Pathology Net : Internet guide book for plant pathology. 

Plant Tissue Culture : Plant tissue culture information exchange.

IPM :  UC, Davis IPM online.