Multicellular organisms<span> can be much larger and more complex. This is because the cells of the </span>organism<span> have specialised into many </span>differenttypes of cells such as nerve cells, blood cells, muscle cells all performingdifferent<span> functions.</span>
Answer: It becomes more dense when it freezes.
Explanation: water becomes less dense when it freezes because ice has a cage like structure.
