I think it probably has to do with drying out- they move away from light to retain their moisture. We all know the sun dries things and since they live underground, they would be more susceptible to drying out and dying than other organisms.
Touching an earthworm with a toothpick would likely not harm the earthworm as toothpicks are not sharp enough to cause physical injury to the earthworm's body. However, the earthworm may perceive the touch as a form of stimulation or disturbance and may react by retracting back into the soil for protection.
the brain is essential for the movement of the earthworm. If the brain of the earthworm is removed, the earthworm will move continuously without stop
It use their side's mussel to move.
Your shadow will become longer and less defined as you move away from the light source. If you move further away, your shadow may eventually disappear completely depending on the distance from the light source.
enough to move.
Planarians exhibit a fairly strong negative geo-tropism and would move away from light.
earthworm moves by the hair like projections called setae .
they move away from light and sort of drift with the current
e3
Yes they can they use there muscles in there back
the slither or glide as it as no bone.
the slither or glide as it as no bone.