What is the function of an exoskeleton?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Which organism in this food web is an omnivore?coati