System+of+gradation
131Animal colouration — has been a topic of interest and research in biology for well over a century. Colours may be cryptic (functioning as an adaptation allowing the prevention of prey detection; aposematic (functioning as a warning of unprofitability) or may be the… …
132History of the Roman Constitution — The History of the Roman Constitution is a study of Ancient Rome that traces the progression of Roman political development from the founding of the city of Rome in 753 BC to the collapse of the Roman Empire in 476 AD. The constitution of the… …
