they can be true, it just depends on the variables of the ecosystems
Answer:
Can u please
Explanation:
Take a picture of what u want help with
The
human body does not constantly lose water through hydration and circulation.
When someone is hydrated, he is drinking an enough amount of water to sustain
the needs of his body. Circulation then helps this in distributing the water in
different parts of the body.
Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
