What lacks walls and membranes?
deserts flower cells viruses fungi tree cells bacteria plant cells alpacas
A B C D E F G H
Plant cells are surrounded by a cell membrane and a cell wall.
Viruses do not have walls and membranes.
What lacks walls and membranes? (A) deserts (B) flower cells (C) viruses (D) fungi (E) tree cells (F) bacteria (G) plant cells (H) alpacas