Answer:1.) solute too large for channels
2.) solute not lipid soluble
3.) solute not able to move down concentration gradient.
Dams, raised banks, there are a few things it could be
Sugar beets for sugar tend to have more minerals and are typically more easy to find than sugar cane so maybe an example of Conservation.
Maybe because they like coacervates.
1. courtship rituals 2. attract a mate 3. internal fertalisation occurs inside the feamales body whereas external fertalisation occurs outside the feamales body 4. <span>Gametes may get washed away 5. the devoloping zygote is protected</span>
