Choice #1: After watching the Sage Grouse Lek in section 5 of the interactive, Describe the physical and behavioral differences of males and
females. What specific adaptations or behaviors do males show for their
mate competition? What do the females "judge", and why could it translate
into a better mate for their eggs?

Yur787878787878787878787878787878

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.