Those smal holes are usually just bugs getting at your plants. Unless here are a whole lot, I wouldn't be worried. Bugs need to eat too, you know.
yes they can they have small holes in their leaves and let out oxygen.
the best way to remove pimples is not to pop them, if you do small holes will appear.
Plants breathe through small holes in their leaves. Unlike us they do not breathe through lungs.
The small holes in beach sand that are about the size of a half dollar and appear to be dug out are most likely made by sand crabs. Sand crabs are small crustaceans that burrow in the sand and create these holes as they dig for food and shelter.
Pitting is when there are small holes starting to appear in steel often caused by corrosion/rust
Some wasps burrow or create small holes in wood as dens. You may want to look into an exterminator.
they get carbon dioxide by small holes called stomata.
the tiny little holes that appear on a leaf which is usually a fern or mosses are calles spores. spores are very tiny singe cells.
There are holes in the leaves of your rose bush because caterpillars come and eat the leaves and the hole is the place of the leave that the caterpillar ate at.
You can get filters with small holes by using graphene.
A porous bag is a bag that has small holes in it, allowing the powders or leaves or whatever is inside it to come out. A tea bag is a porous bag.
Stomata (: