PPT Slide
- Many of the spiders and mites are capable of producing silk; produced by silk glands that open to the exterior part of the abdomen through spinnerets
- Silk is used to build webs for trapping prey, nests which serve as retreats, and egg cases; it is also used to form a dragline
- Most spiders are predaceous and have all kinds of sensory hairs and relatively well-developed eyes for motion detection