Question

Elimination of waste from _______ occurs through a complex system of organs and specialized cells, while elimination of waste from _______ occurs within a single cell.
A.
a bacterium; a plant
B.
a bacterium; an animal
C.
an animal; a bacterium
D.
an animal; a plant

Answer 1

C.

Animals remove waste using organ systems and specialized cells (e.g., kidneys, nephrons), while waste removal in a bacterium occurs within a single cell (across the cell membrane/by intracellular structures).