Spider are invertibrate (i.e. without backbone) animals having two body parts (fused head & thorax and abdomen) and eight legs. They feed on other living organisms. All spiders produce silk, a thin, strong protein strand extruded by the spider from spinnerets most commonly found on the end of the abdomen.

Facts About Spider

1. There are more than 30,000 species of spiders.
2. Males are smaller than the females.
3. Spiders have silk spinning glands called spinnerets, at the tip of their abdomen.
4. Most spiders have either six or eight eyes.
5. Most spiders have fangs, through which venom is ejected.
6. Spiders eat many types of harmful insects, helping to keep your garden free of pests.
7. Most spiders are very nearsighted, they use the hair on their body to feel their way around and to sense when other animals are near.
8. Webs get dirty and torn, so lots of spiders make a new one every day. They don't waste the old one, though, they roll it up into a ball and eat it!
9. Sex of a spider can be determined by the size of the pedicel, the junction of cephalothorax and abdomen. In other words it is the spider’s waistline. The female will have a broad pedicel while the male’s will be more slender. The male will have club shaped pedipalps and the female will be slender and stick like
10. They are carnivorous predator, they eat other living oraganisms.
11.  Many spiders may only live for about a year, but a number will live two years or more.