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Option A, there is no maltose in the plasma.
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Choose A. Because there is hemoglobin in the plasma.
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Biological environment refers to the environmental factors in which any living organism is more or less interdependent and mutually restrictive with other species, so that various types of interspecific relationships between species are constituted in the environment.
Other living organisms in the biological environment are synonymous with the organic environment as opposed to the abiotic environment composed of physical and chemical environmental factors. The interaction between the living subject and the abiotic environment in the biological environment, which scientists call action and reaction, defines the direct interaction between the biological environment as an interaction, for example, earthworms can aerate the soil and can decompose and mix humus, and the impact on plants has an indirect relationship. Consider the organic matter in the soil as a biological thing; In addition, the non-living environment and the inorganic environment are used as consent terms, and in order to avoid such confusion, the biological environment is defined as living organisms and the abiotic environment as all inanimate things.
It is also advisable to stipulate that the organic environment includes not only living things but also biological remains and organic matter of living things, while the inorganic environment should be limited to inorganic matter.
and its actual state.
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It not only includes many conditions required by the living environment, such as sunlight, air, temperature, moisture, food and other abiotic factors In addition, in the life of living organisms, the biological factors of interdependence and mutual influence between organisms are also an important factor for the survival of organisms
So the answer is: living space
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Relationship between organisms and the environment: Organisms can adapt to their environment and influence and change the environment.
1.Inseparable: First of all, the environment can affect living things, and the survival of living things also affects the environment in disguise.
2.Complementarity: There is no way for species to survive without a good living environment, and species protection is complementary to each other, and one cannot be separated from the other.
3.Interdependence: Objects and the environment are inseparable, the two are interdependent, and if there are no living things in the environment, then the balance will be disrupted (and vice versa).
4.One whole: Objects and the environment are a whole, an inseparable whole, and one is indispensable in between.
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The relationship between living things and their environment includes both living things and non-living things, as well as "the relationship between living things and living things".
The biological environment can be divided into: forest environment, grassland environment, etc. (according to the different environmental elements).
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c.First of all, exclude a, the living environment, not just the place of survival;
The second option excludes D, the environment, a big concept, and the fourth option, narrows him down.
Biology is a big concept, and the environment is also a big concept, so B is not right either.
Therefore, C. is chosen
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DA - the stomach belongs to the external environment, the mouth, esophagus, and stomach are connected together, and the stomach communicates with the outside world B - the fallopian tubes are also connected to the outside world, not the internal environment c - the mouth, connected to the outside world, not the internal environment.
The internal environment refers to lymph, plasma, and interstitial fluid, which should be remembered.
Intramuscular injection is injected into the interstitial fluid, so it is the internal environment.
Intravenous injection is also into the internal environment, it is into the plasma internal environment.
2l, high school level is not considered.
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But this question is not rigorous, oral antimicrobial drugs, the drug can still enter the internal environment after absorption, isn't it?
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