Biology

A circulatory system is very essential in mammals but not in smaller organisms like Amoeba…

A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because
  • A.
    Amoeba lives in freshwater
  • B.
    Diffusion is sufficient to transport materials in Amoeba
  • C.
    Amoeba lacks blood containing haemoglobin
  • D.
    Amoeba exibits anaerobic respiration
Correct Answer: Option B
Explanation

There is an explanation video available below.