What are the five ways that the membrane can deal with materials?

five ways in which a membrane can deal with  the materials are:

1. it keeps molecules out  

2.allowing molecules to enter anytime.

3.sometimes it allow molecules at certain  times.

4.hydrophobic molecules can go with ease  because it can dissolve in the lipid bi  layers.

5.large external materials can be taken by  the cell through endoctytosis.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.