10 Questions
Why did many moose die from starvation in the island population?
The bitterly cold winter made it difficult for moose to find food.
Why did the effects of bad weather have a greater impact on the large, dense moose population?
There was more competition for food in a larger population.
Why did the European rabbits multiply wildly after being introduced to Australia?
They had no natural predators in Australia.
Why were artificial density-independent control measures like hunting considered expensive and ineffective?
Hunting didn't reduce the rabbit population effectively.
What environmental threat did the population of European rabbits pose in Australia?
They competed with native herbivores for food.
What was the impact of the bitterly cold winter with heavy snowfall on the island's moose population?
Many moose died from starvation due to lack of food.
Why did the population of European rabbits grow rapidly in Australia?
They faced less competition from native species for resources.
How did the effects of bad weather differ between a large, dense moose population and a small population?
Individual moose in the small population had more food available.
Why were artificial density-independent control measures like hunting considered ineffective?
They required significant resources and expenses.
What did the introduction of European rabbits threaten in Australia?
The extinction of native herbivores.
Test your knowledge on density-independent limiting factors that affect populations irrespective of size and density. Explore how environmental extremes and natural disasters can lead to population crashes and recovery dynamics. Learn about the impact of storms on local species populations.
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