Which protists are visible to the naked eye? What creatures are invisible to the naked eye?

Glad for you, prokaryotes.

In the blue bath, you can see that the grass is repeatedly insects amoeba.

It can be seen with a magnifying glass. If it is a bacterium, the colony of the bacterium can be seen with the naked eye. Colony refers to a group of daughter cells with a certain morphological structure that is visible to the naked eye when a single or a small number of bacteria multiply on a solid medium.

If you have any questions, you can ask. Hope, thank you.

Protists are organisms that are made up of only a single cell, including eukaryotes and prokaryotes. Among them, some protists are larger and visible to the naked eye. For example:

Green-eyed insects: Green-eyed insects are single-celled animals that are elongated in the shape of a fusiform, with a slightly rounded anterior end and a pointed posterior end, and the body surface is covered with an elastic twilled epimembrane. It is the largest species of unicellular animal and can reach a size that is visible to the naked eye.

Amoebae: Amoebae are a species of protozoa, a single-celled animal that is widely distributed and lives in clear ponds or shallow water with a lot of algae in slow currents, and is usually found on plants submerged in water. The shape of the amoeba changes with the environment, but its structure is relatively simple, with a very thin plasma membrane on the surface of the body.

It is important to note that most protists are microscopic and difficult to see with the naked eye, especially single-celled protists. The protists mentioned above are visible to the naked eye and are rarely seen in everyday life.

Don't know if you're referring to an individual or a group?

Individually, protozoa are small and invisible to the naked eye!

The crowd can see it! Such as spirulina or something!

If you want to see single cells, it's very much more visible to the naked eye, such as eggs, and so on.

Microorganisms: viruses, bacteria, cyanobacteria, mycoplasma, chlamydia, yeasts, molds, etc.

Prokaryotes, protozoa, unicellular algae plants, unicellular fungi, and many more.

Microorganisms: bacteria, actinomycetes, chlamydia, mycoplasma, fungi...

And viruses.

The macroscopic definition of a microorganism is that it is an organism that is invisible to the naked eye. Whether the virus is biological or not is debatable.

The 6 creatures in the world that are "invisible" are transparent and difficult to detect with the naked eye!

All eukaryotes that are neither animals, plants, or fungi are protists, including ciliates (e.g., paramecium), amoebae, malarial parasites, slime molds, plankton, sea weed, and photosynthesizing single-celled migratory microorganisms such as euglena. By the old definition, protists include eukaryotic single-celled species.

Protists include 4 major classes: flagellates, ciliates, sarpods, and sporozoids. Let me give you a few examples of each program, such as:

The class of flagellates includes green-eyed insects, group flagellates, noctilucent insects, collared flagellates, R. mandeli, trypanosomes, and Phi hair worms. Ciliates include trumpets, paramecium, tetrahymena, bellworms, ctenophores, etc.; Carbopods include radiolaria, capsids, sandworms, sunworms, amoeba, foraminifera, etc.; A typical type of sporozoa is Plasmodium. That's enough!

Microbial is a non-rigorous term that refers to organisms that cannot be seen by the naked eye. [Large fungi are visible to the naked eye, but they are still microorganisms].

Including prokaryotes, actinomycetes, cyanobacteria, mycoplasma, chlamydia, rickettsia, eukaryotic protists, fungi, microalgae [algae that are difficult to see with the naked eye].

Protozoa belong to the 1st phylum of the animal kingdom and are also a class of microorganisms.

Protozoa: (Protozoa) is the first phylum of the animal kingdom, which is the most primitive, simplest, and lowest animal. Their main feature is that the body is made up of single cells and hence are also known as unicellular animals.

There are about 30,000 species of protozoa. Protozoa are unicellular cells with specialized organelles that have all the functions necessary to sustain life and continue offspring, such as mobility, nutrition, respiration, excretion, and reproduction. Every protozoa is a complete organism.

Microorganisms include: bacteria, viruses, fungi and some small protists, microscopic algae, etc., a large group of organisms, which are small and closely related to humans. It covers many kinds of beneficial and harmful, and is widely involved in food, medicine, industry and agriculture, environmental protection and many other fields.

In textbooks in Chinese mainland, microorganisms are divided into the following 8 categories: bacteria, viruses, fungi, actinomycetes, rickettsia, mycoplasma, chlamydia, and spirochetes. Some microorganisms are visible to the naked eye, such as mushrooms, reishi, etc., which belong to fungi.

There are also microorganisms that are a class of "non-cellular organisms" composed of a few components such as nucleic acids and proteins, but their survival must depend on living cells.

In the concept of microorganisms in high school textbooks, protozoa are classified as microorganisms.

It is not possible for an individual animal to be a single-celled organism.

Because individual animals are higher beings.

Only a small number of lower organisms (such as paramecium) are unicellular organisms. These lower creatures are generally invisible to the naked eye.