Seven Fun Facts About Spiders

Many people are afraid of spiders. Because some of them are toxic. Others are afraid of the idea of ​​being bitten. Let's look at common spiders and explain some facts about common spiders.

Spider eyes are simple but usually not well developed. Instead, spiders can use vibration and sense it on the surface of the web. The small hairs that are distributed across the spider's body surface are actually sensitive tactile receptors. These hairs are sensitive to various stimuli such as touch, vibration, and airflow.

Since spiders are arthropods, the body's skeletal system is the outermost layer. The hard exoskeleton keeps the spider from moisture and does not dry out. Hair is not hair, it is actually part of the exoskeleton.

The word spider comes from the old English verb “Spinan” and means “rotate”. Webweaver uses a small nail at the base of each leg in addition to notched hair to walk the web without sticking to the web.

Spiders digest food outside the body. After the prey is captured, the spider releases digestive enzymes from the digestive tract and covers the insects. These enzymes destroy the body and spiders can suck up the liquid food.

The feared tarantula is not toxic. Biting a tarantula can be painful but is not as dangerous as a bee sting.

Daddy's long legs are not spiders, but they look very similar. There is no waist between the front body and the abdomen. Its legs are longer and thinner than spiders and hang their bodies low.

Under the spider's abdomen, near the back is a small stub called a spinneret. The spider uses its legs to draw liquid silk made from the abdomen out of the spinneret. Silk sets as it grows. Since silk is made of protein, spiders eat old web used silk and then spin new web.

Not all spiders turn the web, but many people use silk in other ways. Some protect the eggs with a silk egg sac. The Wolf Spider carries the egg sac attached to the spinneret. Many tarantulas have silk in their burrows. Some traps have a silk lid over the burrow.

In the US dollar bill, there is an owl in the upper left corner of “1” in the “shield” and a spider hidden in the upper right corner of the front. Most spiders belong to the spider family, Arachnidae. This is pronounced “rainy day”.

The strands from the golden spider web are as strong as steel wires of the same size.
In the 1960s, animal behavior researchers studied the effects of various substances on spiders.

When the spiders were fed flies with caffeine, they turned a very “nervous” web. When the spider ate a LSD-injected fly, it turned the net in a wild abstract pattern. A spider given a sedative fell asleep before completing the web.