Statement – is correct: Predators like tigers and lions keep the population of herbivores (such as deer) in check. Removing these carnivores eliminates natural predation, allowing the herbivore population to grow rapidly.

Statement – is correct: According to the 10% Rule, only about 10% of the energy is transferred from one trophic level to the next. Because so much energy is lost as heat or used for metabolic processes, there is rarely enough energy left to support more than 3 to 4 trophic levels.

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