when we put salt on earthworm why does it die
The salt takIf you sprinkle salt on a worm or snail, it creates a salt concentration gradient, wherein the fluid inside the worm is hypotonic with respect to the fluid on its surface. The water comes out of the worm's cells by osmosis until the solutions on either side of the worm's skin are isotonic.it also tks all the moisture from the snail/worm (what they use to live) and eventually kill them.
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michallemariajohn wat is isotonic and hypotonic mean
a hypotonic solution is one which contain less solute (more water ) compared to cytoplasm of the cell.If the solution surrounding the cell is hypotonic then osmosis causes the water to have net flow into the cell ressulting in swelling and expansion of the cell. thats why earthworm dies.