How animals without outer ears like earthworms, snakes, and fish sense sounds?

Question

???in need an answer..URGENT>>>>

Answer 1

Snakes pick up vibrations from the ground (and possibly though the air) via their jaw bone, which is then transmitted to their brain - so like other animals with normal ears they are able to detect small vibrations which we think of as sound.

Answer 2

these animals feel vibrations n some snakes  hav sensory pits,some insects hav antennae(cockroaches)..etc.etc.

Answer 3

They can feel the vibrations through there skin.

Answer 4

Remember there is such thing of 5 senses. so when a fish senses sounds they could use there sense of touch because they could feel the vibration or the moves of a another animal. hope could help. good bless.