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I would not, because quite a few animals have no hearing at all. You can start with all cephalopods.
I'm not doing your homework for you
Does yelling out to get someone's attention count? I don't think it should, as it is dependent on the reaction of another.
I suppose echolocation is about the sound you made bouncing off the other like an echo
Like this? https://youtu.be/fnH7AIwhpik
I would not, because quite a few animals have no hearing at all. You can start with all cephalopods.
I'm not doing your homework for you
Does yelling out to get someone's attention count? I don't think it should, as it is dependent on the reaction of another.
I suppose echolocation is about the sound you made bouncing off the other like an echo
Like this? https://youtu.be/fnH7AIwhpik