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Three factors that influence the number of legs are: 1) Sex : In some species of myriapoda, the females have been found to have more leg segments than males (reference) eg: Himantarium gabrielis 2) age Growth is by adding segments and legs with successive molts (anamorphic), and myriapods continue to add additional segments and legs after they ...


I can't be certain, but it is probably the pupal shell of a crane fly (daddy longlegs, Tipula palidosa). Here is an image to compare, and you can find lots more with a Google image search. In the UK at least, these are colloquially referred to as leatherjackets and if you find one in soil before the adult has emerged it will often twitch.


This is one of those speculative questions where you don't have a definite answer unless you specifically experiment and find out for yourself. It is a known fact that earthworms breathe through diffusion. It has a thin cuticle over its body and requires moist skin which is achieved by a slimy mucous (reference). It is interesting to note that earthworms ...

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