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What are substitutes in production?
Plate Tectonics
The scientific theory that Earth's outer shell is divided into several plates that glide over the mantle, responsible for various geological phenomena.
Biological Species Concept
A definition of species as groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups.
Evolution
The process by which it's thought various organisms have developed and differentiated from ancient forms over Earth's historical timeline.
Unique Traits
Characteristics or features specific to an individual or species, distinguishing them from others.
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