1. (biology) a hypothesis of directed evolution (as opposed to natural selection of random variations)

Encyclopedia: Orthogenesis

• constantly
• constatation
• constellate
• constellation
• consternate
• consternation
• constipate
• constipated
• constipation
• constituency
• constituent
• constitute
• constituted
• constitution
• Constitution of the United States
• Constitution State
• constitutional
• Constitutional Convention
• Constitutional Union Party
• constitutionalise
• constitutionalism
• constitutionalist
• constitutionality
• constitutionalize
• constitutionally