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Most spiders possess venom, which is injected into prey (or defensively, when the spider feels threatened) through the fangs of the chelicerae. Male spiders have specialized pedipalps that are used to transfer sperm to the female during mating. Many species of spiders exhibit a great deal of sexual dimorphism. [1]
16 gru 2014 · Learn how spiders use hydraulic pressure and seven joints in each leg to move without muscles. Discover how spiders can jump, run, and avoid predators with their unique anatomy and biomimicry.
Spiders use hydrostatic pressure to extend their legs, but muscles to flex the legs. Spiders are able to control their heart rate to control hydrostatic pressure.
4 mar 2024 · This video answers the question, "How do spiders move?" The answer is surprisingly complicated and explains many other questions like how they jump or run so...
8 sie 2002 · Spiders are some of the most successful carnivores in history. Learn how spiders build webs and attack prey and examine cool spider species like jumping spiders.
5 kwi 2022 · If a spider wanted to begin to move, it would increase the fluid pressure in the fore body with the help of the powerful muscles here and—stretch all eight legs at the same time. The well-coordinated, finely tuned movements of the eight legs of a running spider, however, look quite different.
16 lut 2019 · Smaller spiders (usually those weighing under 3g) use a hydraulic catapult method to move around and catch prey, whereas larger spiders (those weighing over 3g) rely on a combination of a hydraulic catapult and muscle-based contraction.
