What is the role of hemoglobin in th red blood cell? which white blood cells are most important in body immunity? what property of rbcs dooms them to a limited life span of about 120 days?

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles

What would happen if the krill were removed from the food web