Diffusion is one of the processes of transferring materials within the cells of living organisms. An example of diffusion is the exchange of gases in the lungs.
Respiration takes place in body tissues and the lungs be the process of diffusion where CO2 and oxygen are exchanged.Read more: What_is_an_example_of_diffusion_in_living_organisms
Yes, living organisms that depend on diffusion for processes like respiration or nutrient exchange include single-celled organisms like protozoa, small invertebrates like flatworms and roundworms, aquatic organisms like sponges, and even some small insects. Diffusion allows them to exchange gases, nutrients, and waste products with their environment, essential for their survival.
Weathering by living organisms is possible practically anywhere.
No, chemical reactions occur in both living and non-living systems. In living organisms, chemical reactions are essential for metabolic processes, while in non-living systems, chemical reactions can occur in various environments such as inorganic chemical reactions in the environment.
diffusion is occur when different concentration gradient is applied
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Diffusion occurs on the cell membrane.
Seaweeds are living organisms, members of the Algae family. Stalactites (and Stalagmites) are formations of limestone which occur in caves, they are not living organisms.
Living organisms have developed various adaptations to increase the possibility of diffusion, such as having a large surface area-to-volume ratio for efficient exchange of substances, thin and permeable cell membranes to allow for rapid diffusion, and specialized transport systems like blood vessels or tracheal systems to help distribute substances throughout the body. Additionally, some organisms have evolved structures like gills, roots, or leaves that are optimized for gas and nutrient exchange through diffusion.
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Diffusion is quicker at high temperatures and pressures.
Diffusion becomes ineffective for larger distances or larger organisms because it is a slow process that relies on random movement of particles. Additionally, diffusion is not efficient for transporting materials against a concentration gradient, such as from low to high concentration. In larger organisms, diffusion is often supplemented by other transport mechanisms like circulatory systems to overcome these limitations.