Glockmatic said:
No, the meaning is and always was a vestigial organ is an organ that had a use but not anymore.
They still use the term even though we now know there is no such thing on the human body. I remember you mentioning goose bumps, and goose bumps are caused my muscle contractions that force oil into the hair follicle and onto the skin. This traps air around the surface of the skin which adds insulation.
Glockmatic said:
The virus evolved in birds
Do we know this for fact?
Glockmatic said:
My example was that if the avian flu jumped to humans it would have to evolve to do that, but it hasn't evolved to that yet. Its just a matter of time before it does.
Dont hold your breath.
Adaption:
The act or process of adapting.
The state of being adapted.
Something, such as a device or mechanism, that is changed or changes so as to become suitable to a new or special application or situation.
A composition that has been recast into a new form: The play is an adaptation of a short novel.
Biology An alteration or adjustment in structure or habits, often hereditary, by which a species or individual improves its condition in relationship to its environment.
Physiology The responsive adjustment of a sense organ, such as the eye, to varying conditions, such as light intensity.
Change in behavior of a person or group in response to new or modified surroundings.
Evolution: A gradual process in which something changes into a different and usually more complex or better form.
The process of developing.
Gradual development.
Biology
Change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.
The historical development of a related group of organisms; phylogeny.
A movement that is part of a set of ordered movements.
Mathematics The extraction of a root of a quantity.
They are different. Especially in the definition of evolution as you are using it.