Well this could be an advantage to the insects because the insects can conceal with the color of the sticks. This trait could have evolved the through natural selection because its a chance of staying alive.
An exclamation used as a greeting, to call attention, as an exclamation of surprise, or to encourage one. This variant of Halloo and Holloo has become the dominant form. In the United States, it is the most common greeting used in answering a telephone.
We use hello several times a day to greet people or attract attention. But as prevalent as the word is, âhelloâ is relatively new. Hello came into existence in the mid-1800s. It is an alteration of hallo, which was an alteration of holla or hollo.