How does the relationship between leaf-cutter ants and their antibiotic-producing bacteria differ from the use of antibiotics in medicine by humans? How and why might that difference be vitally important?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

Me with biology endocrine system crossword also image left i need with hw