Spiders scare me due to their eight legs.
spiders are pretty scary especially the bigger they are, but they're crucial to the ecosystem
They are the largest order of arachnids.
oh man, that did not make me feel good at all
More bad news, spiders are found worldwide.
NOOOOOO why do you do this!
You could go to Antarctica, that is the only place without spiders.
Oh cool. Why is it the only place that doesn't have spiders?
to how all these families should be classified, as evidenced by the over 20 different classifications that have been proposed since 1900.
Anatomically, spiders differ from other arthropods in that the usual body segments are fused into two tagmata, the cephalothorax and abdomen, and joined by a small, cylindrical pedicel. Unlike insects, spiders do not have antennae. In all except the most primitive group, the Mesothelae, spiders have the most centralized nervous systems of all arthropods, as all their ganglia are fused into one mass in the
Spider
Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs able to inject venom. 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 habitat with the exceptions of air and sea colonization. , at least 48,200 spider species, and 120 families have been recorded by taxonomists. However, there has been dissension within the scientific community as