The bats wings and the bird wings
A stye is best described as a bacterial infection of the sebaceous gland of the eyelid characterised by swollen and painful eyelid
DNA Fingerprinting is a way to find a specific individual. It is more specific than simply identifying a specie or a particular trait. It is a sort of personal identifier. DNA uses micro satellite to make to make identification much easier. DNA fingerprinting is prevalent in the world of criminal forensic.