Multiple choice

Amoeba ______ blood system to carry the digested food.

  1. requires

  2. does not require

  3. sometimes requires

  4. always requires
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Amoeba is a unicellular organism without a circulatory system. It absorbs nutrients directly through its cell membrane by diffusion and uses cytoplasmic streaming to distribute materials within the cell. A blood system is a complex multicellular adaptation for transport that amoebas do not possess.

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