Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms. They are the largest order of Arachnids. All spiders have 8 legs. Spiders spin webs that they use to catch food in. They have glands that make silk. Antarctica is the only continent in the world where you can’t find spiders.
Most spiders don’t live in the bodies of water, only a few species. They are able to live in all other types of habitat. They don’t have antenna which is what separates them from insects.
There has only been one species identified as vegetarian the rest are all predators: Bagheera kiplingi. Most spiders feature 4 sets of eyes. The pattern of how they are arranged though will depend on the species. In some species, males are often much smaller than the females in size.
The number of eggs a female delivers can be up to 3,000. Arachnophobia is the fear of Spiders. It is one of the most common fears in the world. It affects approximately 10% of men and 50% of women. The severity of the fear can vary. The strongest material in the world is considered the silk that Spiders create. Scientists haven’t been able to recreate this design even with all the technology we have today. Humans continue to pollute the environment due to toxins from insecticides to kill Spiders. The Brazilian wandering spider or Banana spider, is the most poisonous of all Spiders. The blood of a Spider is light blue in color. The stickiness of a Spider web makes it hard to keep dust and particles out. This is why they are continually being rebuilt. Spider’s molt which is the process of shedding skin and growing new in its place. Spiders are near sided so they aren’t able to see items that are far away from them.
Hydraulic power is what allows the Spider to move around, they don’t have muscles in their limbs. Even though they are predators they can only take in liquid food. The venom allows them to change their prey into a liquid substance. Jumping Spiders are able to jump up to 50 times their own length. This is possible due to increasing the amount of blood pressure found in the back limbs. When a Spider is moving there are always 4 legs on the surface and 4 off of it. Very few people die or become seriously ill from Spider bites. Spiders are classified as invertebrates. They don’t have a backbone. There are believed to be at least 40,000 species of Spiders in the world. Spiders help the environment by eliminating volumes of insects that would otherwise be around in your garden and other locations. When a Spider is going to make a new web, they roll the old one up first into a ball. Many species will eat it. They extract juices from their body onto it so that it will be liquefied.