Worms, decomposers, predators.
The theory that is demonstrated by this experiment is natural selection.
Basically, only the strongest bacteria survived, and nature decided which of those bacteria were fit enough to get to live and reproduce in the future. Those bacteria that were "willing" and able to fight their way through a huge number of bacteria were the ones who ultimately won.
Answer:
All the living things together in an ecosystem form a community.
Explanation:
Answer:
atmospheric pressure
Explanation:
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