Answer :

Final answer:

The wolf population on Isle Royale declines after a moose population decrease due to the predator-prey relationship, where wolves depend on moose as their primary food source.

Explanation:

The wolf population on Isle Royale declines following a decline in the moose population due to the dynamics of predator-prey relationships. Wolves rely on moose as a primary food source. When the moose population decreases, there is less food available for wolves.

This lack of food can lead to higher wolf mortality rates, lower reproduction rates, or both. If the wolf population doesn't adapt by finding alternative food sources or by reducing their numbers in response to less available prey, the wolf population will decline.

These dynamics are mirrored in other ecosystems. For example, fewer cougars in Utah led to an explosion of the deer population, which had knock-on effects on local vegetation and stream paths.

In Africa, the decline of lions and leopards due to poaching led to increases in olive baboon populations, affecting human health. Similarly, after industrial whaling reduced whale populations, killer whales changed their diets to include more sea lions, seals, and otters, significantly affecting those populations.

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