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Fish are living beings and can also swim.
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Most microorganisms are beneficial to people. Although some microorganisms can cause various diseases in humans, they still contribute greatly to human beings in general. For example, our flour fermentation, brewing, soy sauce, vinegar, etc. are inseparable from microorganisms, and they are sent to the medical side, for example
Penicillin has saved thousands of lives. In addition, microorganisms can also purify water sources, and through transgenic technology, they can also ** diabetes...
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Some microorganisms can cause disease in humans, but most microorganisms are beneficial to humans. (That's right.)
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Microorganisms are a very macro concept, which can be defined as microorganisms that cannot be seen by the naked eye, mainly including protozoa, bacteria, viruses, etc., your question is too broad to say.
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It should be that most microorganisms are beneficial to people, because microorganisms generally refer to cells, cells have a metabolic effect on the human body, and some are fungi, such as lactic acid bacteria, which can ferment things, kimchi and the like have applications, and most of the harmful viruses, such as HIV, are harmful, but through the development of high technology, some viruses can also be used by us, which is beneficial to us.
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This question is too general, but it seems that the latter one is more appropriate! Most microorganisms are harmful to humans, and a small number of microorganisms are beneficial to humans.
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Relatively correct, because even harmful bacteria can improve people's immunity and promote people's evolution.
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It should be wrong, because there are many microorganisms that are beneficial to people, such as: actinomycetes, lactic acid bacteria...
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False, microorganisms in water can move, and they drift with the tide because the movement force of water is greater than that of microorganisms.
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This is a normal degradation, as humans no longer need to be in the water for their main survival activities. After leaving the ocean, humans evolved a new way of living on land. There is no need for gills to breathe in water, nor fins to move in the water.
The tail, which helps us to move freely in the water, has also degenerated ...... without a trace
The human body has become accustomed to being upright, also thanks to the completely different way we move in the water. The way marine animals move in the water is seen as a recumbent position. On land, however, we are standing.
If an adult, without special training (not a swimmer), rushes into the water, he will habitually maintain an upright state of movement. It's like throwing a stick upright and throwing it into the water. The mass of the stick itself maintains a reciprocating motion of water out of water and water into water under the action of inertia.
This seems to explain this: people who are drowning often go up and down. <>
And the proportion of an adult is about 30% higher than the proportion of water. In other words, if there is no specific way for us to float on the surface, we will undoubtedly sink to the bottom.
Swimming is actually a highly coordinated movement. The coordination of limbs with the torso allows us to swim in the water, creating buoyancy greater than (or equal to) the weight of the body. In addition, the posture of swimming is very similar to that of land animals, and even those of the ocean.
This is the horizontal movement we talked about at the beginning of the article.
Most animals on land, their movement in the water, their state and their movement on land, have hardly changed. Even land animals that can't swim will not sink if they fall into the water and keep running as if they were on land. This way of swimming is also known as "dog planing".
So whether humans can swim or not has nothing to do with whether they are smart or not! Humans have to be trained to master the essentials of swimming.
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Because wild animals need to hunt in the water, and humans don't.
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That's an instinctive need of some animals, and humans don't have it.
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Because man is born on the land, and lives on the land.
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It is believed that people can live on the mainland, and they do not necessarily have to be active in the water.
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In fact, people can do it, but they throw it away after birth.
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Because you don't need to swim to survive.
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Because we don't have this nature, we can only learn through the learned.
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Not all creatures know how to swim.
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This is because different creatures have different abilities.
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The ocean is originally a world composed of countless microorganisms, and rainy days seem to have nothing to do with microbial breeding, but it is recommended not to go to the water in the rain, if the water temperature is very low, it will make people catch a cold, and if you come back from swimming in cold water and then eat, you will have diarrhea, 100%!
So, pay attention to your body.
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It has nothing to do with the time, as long as the weather is hot, you can go into the water, mainly because the water will cause colds and other physical discomfort when it rains!
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No: The definition of microorganism is a general term for all tiny organisms that are invisible or inaudible to the naked eye.
Includes prokaryotic bacteria (eubacteria and archaea), actinomycetes, cyanobacteria (blue-green algae), mycoplasma, chlamydia, rickettsia; eukaryotic fungi (yeasts, molds, mushrooms), protozoa, microscopic algae; and viruses and subviruses that belong to the non-cellular class (viroids, mimetics, prions).
Mushrooms are fungi that produce large fleshy proton bodies that are similar in nature to colonies of general microorganisms. It's also a microbe!
But "all living things other than animals and plants are microorganisms" is too arbitrary to say so.
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Not fungi among microorganisms, there are large edible fungi visible to the naked eye, such as mushrooms and fungus.
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No, microorganisms are all tiny organisms that are invisible or invisible. Including one algae (cyanobacteria), two bacteria (bacteria, fungi), trisomy (chlamydia, mycoplasma, rickettsia), plankton and non-cellular matter: viruses, subviruses.
Whereas, mushrooms (mushrooms, etc.) in fungi do not belong to microorganisms.
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Note: This statement is true, microorganisms include all living things except the kingdom Plants and Animals (macrofungi are also microorganisms).
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No, plants.
Biology Animals.
Viruses (no cellular structure, but living things).
If the microbes are not clear, they can be asked.
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No, because there are bacteria in living things.
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No, because there are fungi as well.
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No, cells are. A large group of microorganisms in the biological group, including bacteria, fungi, viruses, protozoa, and some algae belong to microorganisms, and cells are the basic units of life-respecting activities.
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1. All right. Organisms can be broadly divided into two categories: viruses without cells and organisms composed of cells, which in turn include the plantae, animals and microorganisms.
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