Life Science Teaching Resource Community (LifeSciTRC)
APS' Digital library that includes content from physiology, developmental biology, anatomy, and other similar fields.
BioSciedNet (BEN) Portal Site
The BEN portal site provides searchable and seamless access to the digital library collections of 25+ scientific societies or organizations with accurate and reliable biology education resources in microbiology, genetics, physiology, botany, ecology, and other fields.
National Science Digital Library (NSDL)
NSDL is the nation's online portal for education and research on learning in
Science, Technology, Engineering, and Mathematics.