Spiders

Turf and Abiotic Factors:
Spiders are found worldwide, except for in the oceans, and they live in all habitats and at most elevations.
Height and Size:
Spiders range in size from less than 1.0 mm (0.04 in) to more than 10 cm (4 in) in length, with a leg span of up to 20 cm (8 in).
Body Structures:
A spider's body is divided into two parts: the front portion, called the prosoma or cephalothorax, and the rear portion, called the opisthosoma or abdomen. A narrow stalk called the pedicel connects these two parts.
A hard shell called an exoskeleton covers the entire body of a spider.…