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.
âº informal said to someone who has just said or done something stupid, especially something that shows they are not noticing what is happening: She asked me if I'd just arrived and I was like Hello, I've been here for an hour.. âº old-fashioned an expression of surprise: Hello, this is very strange - I know that man.