The combining forms for color red and black are ____________. A: erythr/o and melan/o B: erythr/o and leuk/o C: cyan/o and melan/o D: leuk/o and melan/o

The combining form erythr(o)- as in erythropoiesis denotes _______. A: yellow B: lue C: white D: ed

Which combining form means red? A: melan/o B: leuk/o C: erythr/o D: cyan/o

The word parts denoting different colors include ____________. A: trich/o B: leuk/o C: erythr/o D: melan/o