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--------bob
fungi is the cause of food moulds, and some skin rashes such as warts. So it can be infectious to the things it comes in contact with and potentially harmful to that organism.
Bacteria and some Protista have a cell wall.
Eubacteria are unicellular organisms that are found everywhere.
Ozone filters out the harmful ultraviolet radiations from the sun. These are high frequency waves which can cause some serious trouble to living organisms.
Protista are single celled organisms that are visible olny with a microscope
--------bob
Because it shields living organisms from some harmful radiation from the Sun
Some of them are, however, there are many microscopic organisms that are not harmful, some of which you could not survive without.
There are harmful to all organisms, but some bacteria are helpful in many ways.
Main kingdom is plantae. Also some in protista
Protista. However, not all members of the kingdom protista are unicellular. Some may be multicellular, or may even live in colonies. Some members of fungi are also unicellular, such as yeast.
Some members of the kingdom Protista are the amoeba, paramecium, euglena, rotifers.
Eukaryotic organisms that does not fit in any other catagories. Some protists are "plant-like", some are "animal-like", and some are also "fungi-like". Basically, everything else that is eukaryotic except for animals, plants, and fungi are classified into kingdom protista. Some common examples are the amoeba, euglena and paramecium.
Because they are parasitical. The plasmodium protists causes Malaria by invading red blood cells for its nutrition.
No.Water may contain a lot of substance including living and non living. Some of the micro organisms may be harmfull but rest are harmless.
Some get nutrients and by eating other organisms get energy from the sun, and nutrients from the water around them energy.