A new, .. analysis of recently derived human gene trees ... shows three distinct major waves of human migration out of Africa instead of just two, and statistically refutes ... the 'Out of Africa' replacement theory.

Early Theories of Evolution Primates Basic Principles of Genetics Primate Behavior Biological Basis of Heredity Record of Time Human Chromosomal Abnormalities   Early Primate Evolution Synthetic Theory of Evolution Early Hominid Evolution Human Blood Early Human Evolution Modern Human Variation Evol

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Anatomy digital library curated by Ronald Bergman, Ph.D.

Endangered mammals species animals

Human Biology Immunology Molecular Biology Mendelian Genetics Biochemistry

Alphamarks's own gateway to zoology resources

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Includes apoptosis, cancer, cell cycle, cytokines, cell membrane and adhesion, cytoskeleton, organelle, stem cells, and more.

A free online biology textbook, Biology 2e includes The Chemistry of Life, Themes and Concepts of Biology, The Chemical Foundation of Life, Biological Macromolecules, The Cell, Genetics, Evolutionary Processes, Biological Diversity, Plant Structure and Function, Animal Structure and Function Ecology

Includes Chemistry of life, Water, acids, and bases, Properties of carbon, Macromolecules, Energy and enzymes, cell structure, Photosynthesis, Cell signaling, Cell division, genetics, DNA, Biotechnology, Viruses, Evolution and the tree of life, History of life on Earth, Ecology, Biodiversity and con