According to ArmyStudyGuide.com, there are five major terrain features: hill, ridge, valley, saddle and depression. Variations and combinations of these terrain types make up the topography of the Earth.Know More
ArmyStudyGuide.com explains that a hilly terrain is characterized by small areas of high ground from which the earth slopes downward in every direction. A ridge is characterized by a single line of high ground with variations in height along its highest point. A ridge also is frequently mistaken for hilly terrain, but it is more than just a line of hills because the points of the crest are higher than the ground on all sides. A valley is characterized by level ground surrounded by higher ground. Valleys commonly feature streams and have a contoured U-shape.
According to Army Study Guide, saddle terrain is recognizable by a dip in the crest of a ridge, which may or may not be located between two hills. According to Discovery News, the desert terrain is another unique type of terrain with five subtypes: mountainous, rocky plateau, sand dunes, salt marshes and broken terrain. These variations are due to the extremely arid climate found in a desert terrain; these variations also affect the desert topography over time.Learn more about Earth Science
Aquatic and terrestrial are the two main types of ecosystems, and each has various sub-ecosystems. Forest, desert, grassland and mountain are four subtypes of terrestrial ecosystems, and marine and freshwater are aquatic ecosystem subtypes.Full Answer >
Flowering plants belong to one of two classifications: monocots or dicots. These names refer to the embryonic leaves, or cotyledons, of a plant. Monocots have one cotyledon, and dicots have two. Monocots include such woodland wildflowers as trilliums, blue flags and trout lillies. The bromeliad is a colorful, tropical monocot. Wild roses, black-eyed Susans, daisies and columbines are among the diverse dicot wildflowers.Full Answer >
There are six different types of tornadoes. The most commonly recognized type is the supercell tornado, the type that causes massive destruction. A gustnado is the opposite; it is very weak. It causes leaves and other debris to swirl around on the ground during a storm.Full Answer >
Types of natural calamities include hurricanes, earthquakes and tsunamis. Often, these calamities are connected such that one sets off another, as with earthquakes and tsunamis. Natural calamities are differentiated from human-made calamities, such as industrial accidents.Full Answer >