What might occur to this particular food web if a new species was introduced? What if it was a producer, a consumer, a scavenger or decomposer? Support your answer by discussing at least two of these possibilities.

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.