Answer: What substances dissolve in ocean water.
This is the only question that can be answered through scientific investigation because it is the only question that can be tested. The other questions cannot be answered through scientific investigation because they based on opinions which are more abstract.
Answer:
Natural selection.
Explanation:
Natural selection is when organisms who are most adapted to their environment survive and pass on their genes while those with "unfit" genes die and don't get the chance to reproduce! This slowly creates a population that is most well suited to their habitat. Hope this helps again LOL! :)
Answer:
I read about this earlier im pretty sure its The "They need oxygen" part
Explanation:
:)
Answer:
the oxygen from the environment will flow into the cell
Explanation:
because by diffusion, areas of high concentration flow to low concentration :)
Answer:
1. cell walls tend to be more rigid than the cell membrane
Explanation:
Cell walls are called 'walls' for a reason (:
