colorful spider crawling on the sand

orphae">Araneomorphae Mesothelae Mygalomorphae See the taxonomy section for families Spiders are invertebrate animals that produce silk, have eight legs and no wings. More precisely, a spider is any member of the arachnid order Araneae, an order divided into three sub-orders in newer systems: the Mygalomorphae (the primitive spiders), the Araneomorphae (the modern spiders) and the Mesothelae, which contains the Family Liphistiidae, rarely seen burrowing spiders from Asia. The study of spiders is known as arachnology, although it is often included in the more general term entomology. See more at Wikipedia.org...

has a number of uses:Crawling is to move in a slow, creeping fashion, usually dragging the body along the ground by using the hands and knees. The term is often used to describe the motion of infants, or to describe the motion of a particularly slow process.In swimming, a front crawl is one of techniques used to propel oneself in water.In television, a news crawl is a moving line of text usually put at the bottom of the screen.To crawl the World Wide Web or a similar medium is to visit a large number of sites, following many or all hyperlinks. The term is often used to describe how search engines gather their data. See also web crawler.Crawl may also refer to the roguelike computer game Dungeon Crawl, or to the dungeon crawl style of adventure in general. See more at Wikipedia.org...

>For other uses, see Sand (disambiguation). Sand is an example of a class of materials called granular matter. Sand is a naturally occurring, finely divided rock, comprising particles or granules ranging in size from 1⁄16 to 2 millimeters. An individual particle in this range size is termed a sand grain. The next smaller size class in geology is silt: particles below 1⁄16 mm down to 1⁄256 mm (0.004 mm) in size. The next larger size class above sand is gravel, with particles ranging up to 64 mm (see grain size for standards in use). See more at Wikipedia.org...