The endoplasmic reticulum is usually the biggest organelle in eukaryotic cells; it has various portions that serve different purposes; and it is the site of protein production, as well other other ...

Part I. Selection: Darwin and natural selection -- The group selection controversy -- For whose good does natural selection work? -- Part II. Adaptation: Darwin (and others) on biological perfection - ...

Introduction : Organization and causation -- The establishment of causal theories in evolutionary biology -- The nature and origin of life -- The course of evolution -- Organism and environment : ...