I am not entirely sure, but i think it would be the respiratory system because plants produce oxygen after taking in carbon dioxide, and that is similar to the human respiratory system. I am not completely sure though. hope this helps!
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im having trouble with this too unfortunately
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<span>C) from evidence gained by many experiments of many scientists</span>
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It helps in the packaging and distribution in cells.
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Alright, sure thing.
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Grizzly bears, like black bears, eat a lot of vegetation, but they also eat more meat than their cousins. Grizzly bears hunt deer, elk, moose, and bison regularly, along with fish like salmon and trout. When meat is not available, they prefer to eat wild beans, nuts, grass, and tubers (a thickened underground part of a stem).