Fungi is one type of pathogen which infects the surface of the skin and nails.
Athletes foot is also caused by fungi
Super heated liquid molten lava
Your nerves send feedback to the brain to tell you what you are touching. I suppose that is a feedback mechanism. I dunno if it is entirely helpful.
Yes the orchard grass is a consumer. it consumes water and sunlight
Well one is the ways that humans use soil affect the soil quality
