You should post the diagrams but basically there are more cells than tissues and more tissues than organs
The answer is D. Old stone tools with be more classified as an ancient artifact where the others would be classified as fossils.
Answer:
Biologists, all they do is get their phD and watch as evolution happens around them.
Explanation:
Well one big factor would be the ozone layer because it absorbs sun rays. Not sure about the rest.
<span>The plasma membrane or the cell
membrane is the one that protects the cytoplasm of a cell. It is mostly
composed of lipids and proteins. It has a phospholipid bilayer that controls
the entering and exiting of molecules in the cell and at the same time,
provides protection for the cell or plasma membrane. Proteins embedded within
the phospholipid bilayer have the same function of the plasma membrane that
includes selective transport. The phospholipid bilayer consists mainly of the
lipid molecules. The answer is letter B. </span>
