How do you write this dichotomous key?

Statement 1a: Needle leaves, Pine(Name)

Statement 1b: Non-needle leaves, 2(Number)

Statement 2a: smooth edge, Magnolia(Name)

Statement 2b: jagged edge, Elm(Name)

Answer

Transpiration: The release of water from plant leaves

Plants put down roots into the soil to draw water and nutrients up into the stems and leaves.During dry periods, transpiration can contribute to the loss of moisture in the upper soil zone, which can have an effect on vegetation and food-crop fields.