No life, no evolution! Of course, your religion doesn't need that part...
I can hear the choir now..."there is no god, there is no god...lalalalalala..."with fingers in ears!
From: Answers.com
Origin
or·i·gin (ôr'ə-jĭn, ŏr'-) pronunciation n.
1. The point at which something comes into existence or from which it derives or is derived.
Species
spe·cies (spē'shēz, -sēz) pronunciation n., pl. species.
1. Biology.
1. A fundamental category of taxonomic classification, ranking below a genus or subgenus and consisting of related organisms capable of interbreeding.
2. An organism belonging to such a category, represented in binomial nomenclature by an uncapitalized Latin adjective or noun following a capitalized genus name, as in Ananas comosus, the pineapple, and Equus caballus, the horse.
Organism
or·gan·ism (ôr'gə-nĭz'əm) pronunciation n.
1. An individual form of life, such as a plant, animal, bacterium, protist, or fungus; a body made up of organs, organelles, or other parts that work together to carry on the various processes of life.
2. A system regarded as analogous in its structure or functions to a living body: the social organism
Do you ask the same of other sciences--do you demand that the scientists studying gravity explain where mass came from? Or that astronomers explain where hydrogen came from before you accept their silly theories about how the sun works?