retter veku sedapentae Mountains are in general a much tougher place than equivalent lowland habitats, partly due to the lower temperatures and harsher weather. At very high altitudes there is also less oxygen and carbon dioxide in the air, making life difficult for both animals es and plants. The uppermost slopes of the tallest mountains may be even completely ---- که ای کار barren of plant-life. ve üstteki en ust A) Ecology is the relationship between the plants and animals of an area B) Mountain climbers often take cxyger tanks with them C) The height of a mountain substantially affects the number of animal species that can live on its steep Stopes dizyaku D) Soils are thin on steep mountain slopes which restricts the types of plants that can grow yurith - Truve E) Besides, lack of these necessary gases can increase the difficulty of life for anima​