This demonstrates a competitive relationship, as they are competing for food.
From what i have read up on in the past, They can but they don't really think with a "voice" in their head if that makes sense.
Gene. A segment<span> of a </span>DNA<span> molecule that </span>codes<span> for a particular protein and determines the </span>traits<span> (phenotype) of the individual. A gene is the basic unit of heredity in a living organism. Hopefully that helps!
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Stress is not a symptom of Gingivitis.
