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An Apple on tree ripens. Ripe apples produce ethylene. Ethylene signals
neighboring apples to ripen neighbor apples produce more ethylene more ap
ripen. The above process is an example of which of the following?
chemical cycling
emergent properties
positive feedback regulation
negative feedback regulation
Question 4 (2 points)
Which concept of Charles Darwin states that through evolution organisms adapt
their environment? That

The above process of ethylene signaling in fruit ripening is an example of positive feedback regulation. Positive feedback occurs when a process is amplified or reinforced, leading to more of a product or signal; in this case, ethylene production accelerates ripening in neighboring apples, causing a continuous cycle of ripening.

Charles Darwin's concept that states organisms adapt to their environment through evolution is known as natural selection. According to this theory, organisms better suited to their environment survive and reproduce, contributing to changes in populations over generations.

Learn more about positive feedback regulation and natural selection here:

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