Summer is here, and spiders are starting to get active in people's sights, and scorpions are probably not very familiar to most people. But, did you know that spiders and scorpions turn out to be close relatives?
Yes, they are all arachnids. A liquid secreted by the textile glands in the body of the spider, which hardens and turns into silk when it sees the air. Moreover, spiders can secrete a variety of different spider silk, it is understood that each spider can secrete a minimum of three kinds of spider silk, suitable for three different purposes, including very thick drag silk, thin web wire and very tight protective silk.
There are about 800 species of scorpions in the world, and there are more than 10 species of scorpions in China, which are commonly used for medicine as the East Asian pincer scorpion, also known as the Ma's pincer scorpion. East Asian pincer scorpion has the largest number and the largest distribution range, covering more than 10 provinces in China, of which Shandong, Hebei, Henan, Shaanxi, Hubei, Liaoning and other provinces are more distributed.
When the scorpion is mating, the male scorpion's essence stick pierces into the body of the female scorpion, and the female scorpion attacks the male scorpion because of its discomfort, and the male scorpion must quickly escape at this time, otherwise the female scorpion will eat it and turn it into nutrients in the body.
In fact, crabs are also like spiders and scorpions, belonging to arthropods, but crabs do not belong to the arachnid class, so they are also close relatives of spiders and scorpions.
More information about the biological world, please pay attention, next time you will not get lost!