Achild with type o blood is born to parents who are both type a. what is the genotype of the parents?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

All organisms contribute some water to the water cycle by conducting

Which could be a pathway of food through an ecosystem