chapter16

is the displacement, and θ is the angle between the force and displacement vectors. Explain the concept of power and its units. Power measures how quickly work is done or energy is transferred. The SI unit of power is the watt (W), where: 1 watt = 1 joule/second Describe pote

elopment Mechanisms of natural selection and genetic variation Types of adaptation and their significance The process of speciation Evidence supporting evolution: fossil record, comparative anatomy, molecular biology, and biogeography Hum