Question

how do the earthworm sense activity in their habit without eyes ear or a nose​

Answer 1

Answer:

Earthworms have a nervous system that reacts to heat, cold and touch. They can also feel vibrations and have chemoreceptors that detect odors. They don’t have eyes, ears or a nose, but they do have cells that detect light and changes in light intensity. They’ll move away from light (ultraviolet light rays can kill them).

Explanation: