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You look at its crop or the worm's scat.
the digestive tract
Look in the worm's digestive system!
Cut it open or observe it.
To find out what an earthworm has been eating an examination of their droppings is needed. If the earthworm has been eating soil, sand will be present in the droppings.
by dissecting the earthworm and looking inside of the stomach...
I don't know, but you could probaly find out on http://www.Google.com/.
be that as it may
Whether or not you could sell a wasp nest would depend on whether you could find a buyer.
Africa Europe and Canada!!!
I think in southamerica
You DO find a respiratory structure in each segment of the earthworm. An earthworm uses its skin as the respiratory structure. Oxygen in the air dissolves in the moisture and mucus on the skin then diffuses into blood capillaries close to the skin to be transported to the rest of the body.