Answer:
D
Explanation:
the littoral zone is close to the shore and is partially submerged with shallow water. It is the uppermost zone of the aquatic water body. It is the part of lakes, rivers, ponds and sea.
The answer is animal cells
Answer:
It is important as it tells if the object is stationary or in motion
Explanation:
Sorry but cant answer it its not a question
Answer:
Cell wall ; cellulose ; gives strength to cell
Plasma membrane ; phospholipids and protein; selective membrane
Explanation:
The plasma membrane is the living boundary of a cell and is made of a phospholipid bilayer with embedded proteins. It is selectively permeable membrane and regulates the movement of substances across the membrane.
The cell wall is the outer boundary of the plant cells. It is rigid, permeable and made of cellulose, a polymer of carbohydrate. The cell wall gives strength to the cell.