How Are Spiders Good For Us?
WouterSpiders are a key part of the food chain. They are beneficial predators who eat other insects and pests. They also help to control the spread of disease. In some cultures, they are seen as good luck charms. They can also serve as a source of food for birds.
Many people are afraid of spiders. There are a few dangerous spider species. These include brown recluses and black widows. They may bite. However, most adults are able to survive such a bite.
If you see a spider, avoid touching it. It’s better to capture the spider in a jar or stiff piece of paper. You can then keep it outside.
The venom of some spiders can be lethal to humans. In addition, the spider silk is a very strong material. This silk has been used to build clothing and nets. It can also be used to create bulletproof vests.
Most spiders only feed on live prey. They also help to control the population of insect pests. In the United States, there are over four thousand different species of spiders. They are found on every continent except Antarctica.
Most spiders have eight eyes. They can track their prey using the internal swiveling of their eye capsules. They can also detect changes in light and darkness. They can detect wandering activity and daytime predators.
Some spiders have a median eye that can detect polarised light. They can also sense changes in vibration and taste.
