Yeast is a helpful fungus. it is used in the production of many edible foods such as beer, wine and bread. It helps bread to expand as the yeast, when left in a warm area, releases carbon dioxide which causes the bread to rise.
mould is a helpful one and bacteria is a harmful one
If you need help I recommend you type in the specific question you need help with
Bacteria would consider benefitial and harmful bcz many food component are you eating made by bacterial reactions like yeast... but most of spp. are harmful.
it can be helpful or harmful
is yeast dangerous or harmful
sometimes they are helpful and harmful.
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
This is not entirely true. It is shown that Yeast is not a form of Bacteria Yeast is in the Kingdom Fungi, therefore it is a type of fungus. Some helpful bacteria is yeast.
yeast is very helpful to us! it rises in the oven to bake or stuff like that!
helpful
helpful