The key difference between biotic and abiotic objects is that biotic objects are made of cells and can reproduce, adapt, and respond to their environment, while abiotic objects are non-living and do not have these characteristics.
Here's a breakdown of your points:
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Biotic objects are made of cells, while abiotic objects are not: This is generally true. Biotic entities (like plants, animals, fungi, and bacteria) are composed of cells, whereas abiotic entities (like water, rocks, and air) are not.
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Biotic objects use respiration, while abiotic objects use chemical processes: This can be misleading. While living organisms undergo respiration (a specific metabolic process), abiotic entities do not engage in respiration, but they can be involved in various chemical processes (like reactions between elements).
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Biotic objects can adapt and respond, while abiotic objects cannot: This is an accurate statement. Living organisms have the capability to adapt to their environments and respond to stimuli, while abiotic factors do not exhibit these behaviors.
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Biotic objects can reproduce, while abiotic objects cannot: This is also a correct observation. Living organisms have reproductive capabilities, whereas non-living objects do not reproduce.
In summary, the most encompassing key difference is that biotic objects are living and possess characteristics such as cellular structure, reproduction, and the ability to respond to their environment, while abiotic objects are non-living and lack these traits.