What do you know about spiders? In this video for kids, you'll probably learn a lot of facts you didn't know before. Spiders are arachnids, which are members of the larger group of arthropods. Arachnids include spiders, mites, ticks, and scorpions. All arachnids have eight legs. Biologists say there are an estimated 43,000 and possibly as many as 45,000 spider species. Although most spiders are venomous, only 30 species can be harmful to humans. But you have to be very careful because some venomous spiders can kill humans!
Spiders eat mainly mosquitos, flies, and moths. Sometimes, they even eat other spiders! While most spiders eat primarily insects, larger spiders also eat worms, snails, frogs, lizards, and birds. Most spider species passively catch their prey by spinning complex webs. When insects cross paths with the web, they get stuck on the sticky threads. The spider carefully walks along the path of dry threads to get to the insect and then uses its fangs to inject venom into the trapped insect. The toxin kills or paralyzes the insect, allowing the spider to eat its dinner without a fuss.
Spiders all over the world are suffering from human activity. When people cut down trees, use pesticides, and graze animals on large areas of land, the spider population starts to decrease. So next time you see a spider, don't stomp on it-just trap it in a glass and take it back outside!
We hope you and your student(s) enjoyed learning about these spectacular arachnids! If you want to learn even more, head over to our website and download one of our many lesson plans about birds, full of activities, worksheets, and more!
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What you will learn in Spiders for Kids:
0:00 Introduction
0:21 What are spiders?
1:48 Diet of a spider
2:11 Complex webs and how spiders use them
3:45 Other interesting facts
4:46 Why they are important to the environment
6:09 Review of the facts
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27 сен 2024
