An ecology student has been working on Isle Royale. Over the 5 years that this student has been studying the wolves and moose on this island, the wolf population has decreased dramatically. What can this student deduce happened in the moose population during those same 5 years?

1. The moose population likely demonstrated a positive growth rate.
2. The moose population likely increased in size.
3. The moose population likely decreased in size and demonstrated a negative growth rate.
4. The moose population likely remained the same size.

Question

16-01-2024
Biology

High School

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An ecology student has been working on Isle Royale. Over the 5 years that this student has been studying the wolves and moose on this island, the wolf population has decreased dramatically. What can this student deduce happened in the moose population during those same 5 years?

1. The moose population likely demonstrated a positive growth rate.
2. The moose population likely increased in size.
3. The moose population likely decreased in size and demonstrated a negative growth rate.
4. The moose population likely remained the same size.

Answer :

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JamesJohnson657 JamesJohnson657 · Answer 1 · 2023-12-24T02:23:35-05:00

With the decrease of the wolf population on Isle Royale, it's likely that the moose population demonstrated a positive growth rate and increased in size, given the resulting decrease in predation pressure (1).

Given that the wolf population on Isle Royale has decreased dramatically over a five-year period, it is reasonable to deduce that the moose population likely demonstrated a positive growth rate. Predators, such as wolves, often keep the populations of their prey, in this case moose, in check.

A decrease in wolf numbers would typically result in fewer moose being predated, which could lead to an increase in the moose population size. Similar to other observed effects of predator population changes, such as the reintroduction of wolves into Yellowstone National Park, which ultimately impacted elk behaviors and ecosystem dynamics, the wolf population decline on Isle Royale might have allowed the moose population to grow with less predation pressure. However, it is important to consider that the actual impact on the moose population could also be affected by other factors such as food availability and environmental conditions.