The rank of blood cells in a normal person and one with sickle cell anemia is the same. how can you conclude that the person has sickle cell anemia

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

What is the next step in muscle contraction after the actin changes shape? (apex)

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone