进化生物学是对生物多样性的研究，包括生物和灭绝物种的鉴定和分类，它们的进化关系、适应和遗传变异，物种起源和灭绝的方式，以及包括自然选择在内涉及进化变化的机制。
Evolutionary Biology is the study of the diversity of organisms, including the identification and classification of species, both living and extinct, their evolutionary relationships, adaptations, and genetic variations, the ways in which species originate and become extinct, and the mechanisms, including natural selection, involved in evolutionary change.