Lipids are hydrophobic is the answer you are looking for.
Hot , dry weather is the answer
A. <span>A flatworm doesn't have a coelom
Flatworms and other invertebrates belong to a specific group called </span><span>acoelomate, wherein they lack a coelom and has an internal cavity which serves as their digestive cavity.</span>
Nucleus to the ribosomes, I think.