Spider.

Indonesia, Aceh, Juni 23, 2021. The process of taking photos using a Samsung Galaxy A8 smartphone. hello friends #steemsea how are you all healthy. I wish you good health always.

Spiders are a type of animal with books (arthropods) with two body segments, four pairs of legs, no wings, and no chewing mouth. All types of spiders are classified into the order Araneae; and along with scorpions, ketonggeng, mites all eight legs are included in the class Arachnida. The field of study of spiders is called arachnology.

Araneae is the largest order in arachnids and ranks seventh in total species diversity among all orders of organisms. Spiders can be found worldwide on every continent except Antarctica, and have survived in almost all habitats with the exception of air and marine colonization. As of February 2016, at least 45,800 species and 114 families of spiders have been recorded by taxonomists. However, there has been division within the scientific community over how all these tribes are classified as since 1900 more than 20 different classifications have been proposed.

Spiders are predatory animals (carnivores), sometimes even cannibals. Its main prey are insects. Almost all types of spiders, with the exception of about 150 species of the tribes Uloboridae and Holarchaeidae, and the suborder Mesothelae, are capable of injecting venom through a pair of fangs into their enemies or prey. However, of the tens of thousands of species that exist, only about 200 species whose bites can harm humans.

Not all spiders make webs to catch prey, but all are capable of producing silk threads, which are thin but strong strands of protein fibers from glands (called spinnerets) located at the back of their bodies. This silk fiber is very useful for helping the movement of spiders, swinging from one place to another, trapping prey, making egg sacs, protecting nest holes, and so on.

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Muhammad Mauliadi (@muliadi07)