1.) Explain the impact of sleep deprivation by describing at least six signs or symptoms of this condition. 2.) Give an overview of the four major sleep disorders, including their signs, symptoms, and possible causes.

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.