Cells use a variety of mechanisms to move molecules within, into, and out of the cell. How do these mechanisms help the specialized cells in body tissues to function?

The image shows embryos of three vertebrate classes

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

The transport tubes for food coming down the plants are called?