Which feature of the cell membrane allows some materials to go through, maintains homeostasis, contains protein channels for large molecules, and utilizes ATP energy for movement across the cell membrane?

When organisms are classified ,they are given a two part name

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Twind is considered to be an abiotic factor because it.?