The way in which a ï¬rm assigns tasks to. workers yields the division of labour within the ï¬rm. In this setting, on the one hand, a. more extensive division of labour raises productivity because the returns to time spent. on tasks are generally greater to workers who concentrate on a narrower range of tasks.
Arachnids are a class (Arachnida) of joint-legged invertebrate animals , in the subphylum Chelicerata. All arachnids have eight legs, although the front pair of legs in some species has converted to a sensory function, while in other species, different appendages can grow large enough to take on the appearance of extra pairs of legs. The term is derived from the Greek word á¼ÏÎ¬ÏÎ½Î· (arÃ¡chnÄ), meaning spider.
North America is home to about 3,400 of the categorized 40,000 species of spiders in the world. Spiders are known as Arachnids and fall under the class Chelicerata and order Araneae, taking various shapes and forms as well as colors and behaviors.piders can generally be identified by the type of web they create though not all webs are used to capture prey. Some are used in courtship rituals while others are used to secure egg sacs.