How does the chemical make-up of blood change as it circulates through an organism? A- it becomes thicker

B- it changes color

C- it slows down and speeds up

D- it gains and loses oxygen and nutrients

E- it becomes thinner so it can squeeze through capillaries

Please, please help me! I need it ASAP

How was the climate when the ambulocetus was alive

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell