The answer would be:
Cilium
<u>Here is more about the structures of prokaryotic cells:</u>
Axial filament is a bundle of flagella that are wrapped around the cell's body.
Flagellum is what the prokaryotic cell has that is whip-like in structure. It helps with the motility of the cell.
Pilus is a hair-like structure that are found on the surface of prokaryotic cells. They help the cell attach itself to surfaces.
Peritrichous flagella are several flagella that can be found all over some prokaryotic cells.
I would go with c because its tells you right in there that the ecosystem help who lives around that area.
The answer ahould bbe A: cuz the sound wave itself has no defend to water and travel!!
Explanation:
HOPE IT HELP!!
Marshes and ponds is the correct answer
