Spiders: The First Web Developers
Out of any creatures in the animal kingdom, spiders seem to have the worst reputation. Their many legs and unpredictable movements elicit a fear response in even the most stoic of individuals....
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- We're back here at the Field Museumwith Dr. Petra Sierwald who is an associate curator in insectsand today, what are we going to talk about?- Spiders, of course, my favorite.- But spiders aren't insects.- I know, I know. But they are also arthropods,and the methods we use for preservation for insects,at least for some of the insects,are the same that we use for spiders and other arachnids,but also myriapods – millipedes and centipedes.We have over 45,000 described spider species.For some of the fauna, for example, in the soil we expect that 40% may yet to be described--- Wow.- --so we have a lot of unknowns there.- So there could be as many as 70-75,000 species of spiders. - Yes, easily, yes.- So like, 20 times the amount of mammals?I'm b...
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- We're back here at the Field Museumwith Dr. Petra Sierwald who is an associate curator in insectsand today, what are we going to talk about?- Spiders, of course, my favorite.- But spiders aren't insects.- I know, I know. But they are also arthropods,and the methods we use for preservation for insects,at least for some of the insects,are the same that we use for spiders and other arachnids,but also myriapods – millipedes and centipedes.We have over 45,000 described spider species.For some of the fauna, for example, in the soil we expect that 40% may yet to be described--- Wow.- --so we have a lot of unknowns there.- So there could be as many as 70-75,000 species of spiders. - Yes, easily, yes.- So like, 20 times the amount of mammals?I'm b...
