Podcast
Questions and Answers
Why did many moose die from starvation in the island population?
Why did many moose die from starvation in the island population?
- They were emigrating to find food but failed.
- There was an overpopulation of moose on the island.
- Hunting was not allowed on the island.
- The bitterly cold winter made it difficult for moose to find food. (correct)
Why did the effects of bad weather have a greater impact on the large, dense moose population?
Why did the effects of bad weather have a greater impact on the large, dense moose population?
- The large population had access to better shelter from the heavy snowfall.
- Smaller populations were more likely to hunt for food.
- Moose in large populations were more resistant to cold.
- There was more competition for food in a larger population. (correct)
Why did the European rabbits multiply wildly after being introduced to Australia?
Why did the European rabbits multiply wildly after being introduced to Australia?
- They were provided with excessive amounts of food.
- They were territorial animals.
- The Australian climate was ideal for their reproduction.
- They had no natural predators in Australia. (correct)
Why were artificial density-independent control measures like hunting considered expensive and ineffective?
Why were artificial density-independent control measures like hunting considered expensive and ineffective?
What environmental threat did the population of European rabbits pose in Australia?
What environmental threat did the population of European rabbits pose in Australia?
What was the impact of the bitterly cold winter with heavy snowfall on the island's moose population?
What was the impact of the bitterly cold winter with heavy snowfall on the island's moose population?
Why did the population of European rabbits grow rapidly in Australia?
Why did the population of European rabbits grow rapidly in Australia?
How did the effects of bad weather differ between a large, dense moose population and a small population?
How did the effects of bad weather differ between a large, dense moose population and a small population?
Why were artificial density-independent control measures like hunting considered ineffective?
Why were artificial density-independent control measures like hunting considered ineffective?
What did the introduction of European rabbits threaten in Australia?
What did the introduction of European rabbits threaten in Australia?
