Why would an organism want to call attention to itself?

The reason that an organism calls attention to itself is to give a warning or give out a call of precaution of the sight of a predator coming it's wayk?
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I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )

C. gemstones they are the only non metallic mineral from the list.