Answer:
exoskeleton
Explanation:
An exoskeleton is the hard outer covering that supports and protects some animals without backbones.
Hope this helped!!!
Answer:
I answered this....check for the other question u posted it has the answer:)
Answer:
cell membrane
Explanation:
The cell membrane allows the cell to stay structurally intact in its water-based environment.
He should use a blue litmus paper to test if it’s acidic because if the solution is acidic then the blue litmus will turn red
Answer:
n order to function, cells are required to move materials in and out of their cytoplasm via their cell membranes. These membranes are semipermeable, meaning that certain molecules are allowed to pass through, but not others. This movement of molecules is mediated by the phospholipid bilayer and its embedded proteins, some of which act as transport channels for molecules that otherwise would not be able to pass through the membrane, such as ions and carbohydrates.
