what are the three possible combinations of the two types of proteins that can be found on a person's red blood cells?

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a