What is a pathogen? Give one specific example.

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

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height