spiderpedia
Introduce various spiders.
Spiders (order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every land habitat.
Spiders are limb animals. The spider’s body is separated from the chest and abdomen, and the two parts are connected by the slender abdominal handle; the front head has a pair of cheek limbs, and the end of the cheek limbs is poisonous tooth toxic glandular ducts; there are four pairs of feet on both sides of the chest. There are hard claws; the eyes of the spider are monocular, and there are eight eyes, six and four eyes spiders.
