What is the function of the parts labeled X in the model?

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

All organisms contribute some water to the water cycle by conducting