Garden worms fertilise the soil. Parasitic worm live inside you drikng your blood (I had a worm in my leg and it was horrible.)
Living.
a insect like animal the feeds off the living usually going inside them for example: a tape worm
Living
internal parasites. like Tape worm , pin worm and many more. also some bacterias and virus can dwell inside the body and used the host as a means of reproducing itself.
Tape worm / round worm
A parasitic worm is a worm that feeds on another organism, its 'host'. For example a tape worm. It latches onto the intestine of humans.
Inside
Flat worms get inside you if you eat uncooked pig because you would be swallowing the worm down your body.
inside one of the chicken's beaks. it is very small
Yes, They would feel it. The worm is a living thing just like us so they would feel it. It would do some damage if it hit the digestion pipe.
Carbon doesn't get into living things. All living things are constituted of carbon. This is why we have carbon inside us.