D. The discoveries confirmed many but not all of the classifications that were based on observable traits, and scientists revised classifications when necessary.
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Answer:</h3><h3>brainiest </h3><h3>
Explanation:</h3>
The answer to this question would be vacuole.
Vacuole is a structure/organelle which has a thin membrane that makes it look like bubbles. Vacuole used to store things then transport it away. By storing the waste, vacuole can prevent it to damage other organelles inside cells.
all of them? I would go with bacteria, fungi, worms, and snails recycle the garbage of dead matter and give back nutrients into the ecosystem.