Carbohydrate digestion begins in the mouth<span>.</span>
A. Most recent period of the Cenozoic era.
Enhancers are eukaryotic DNA sequences that can be used to elevate transcription and have variable positions and orientations.
The definition of a biome is the community of many ecosystems in one general area. Many ecosystems can exist in a biome because a biome could have a water ecosystem and a dirt ecosystem.
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