Could somebody explain why ticks were necessary to exist? What was the purpose behind the creation of ticks? Bloodsucking motherfuckers.

They serve as food for other animals. The population of ticks can tell the scientists how the ecosystem is doing in general. They take part in providing the diversity of life on our planet since ticks carry various microorganisms and bacteria. Ticks help to keep animal populations in check. google

Dang it :/ my fear of ticks are to extreme! Mathafakeer!

I had to pull two off my dog yesterday. Is this time of year particularly bad?