Yes, some organisms need the cold water to thrive, adding heated water would disrupt the ecosystem causing the organisms to die or move to a different area.
It is commonly referred to as growth
When a person is born they get one chromosome from the mom and one from the dad. A female has XX chromosomes a male has XY Cromosomes. So a male would get the Y from the dad and the X from the mom.
They analyze the sequence of bases in the DNA to determine who committed a crime.
