elevation zones and vegetation![click to hear](/images/speaker.jpg)
Types of vegetation vary depending on temperature and rainfall, which in turn depend on altitude.
tropical forest ![click to hear](/images/speaker.jpg)
Dense, highly varied forest in the intertropical zone, where precipitation is abundant and regular.
deciduous forest ![click to hear](/images/speaker.jpg)
Forest composed mainly of trees with broad leaves that grow back every year.
mixed forest ![click to hear](/images/speaker.jpg)
Forest composed of conifers and deciduous trees.
coniferous forest ![click to hear](/images/speaker.jpg)
Forest composed mainly of softwood trees with evergreen leaves in the form of needles or scales.
tundra ![click to hear](/images/speaker.jpg)
Plant formation that grows in relatively arid regions; it includes mosses, lichens, grasses, bushes and dwarf trees.
glacier ![click to hear](/images/speaker.jpg)
Mass of ice resulting from the accumulation and compression of snow; it moves under its own weight.