23 Questions
Which of the following is NOT a benefit of biodiversity mentioned in the text?
Contributing to air and water pollution
What is one of the benefits of biodiversity related to wild plants?
Providing genetic diversity for disease protection
How does biodiversity contribute to ecosystem resilience?
By increasing adaptation to change
What happened in Yellowstone National Park as a result of losing wolves?
Shift in trophic levels and environmental changes
Why are keystone species important in ecosystems?
Their loss can lead to cascading impacts across trophic levels
How can biodiversity help in controlling pests and diseases?
By providing natural predators for pests
Which type of pollution is caused by excessive use of plastic?
Water pollution
What is the main characteristic of an exotic species?
Brought to new habitats by humans
Why are invasive species harmful to ecosystems?
They out-compete native species for resources
How do native species differ from exotic species?
Exotic species may be harmful, neutral, or beneficial
Which human activity is associated with overconsumption of resources like deforestation and mining?
Poaching and mining
Which type of diversity refers to the number of different ecosystems in a region?
Ecological diversity
Why are populations with little genetic diversity vulnerable to environmental change?
They lack the variation needed to help adapt to new conditions
Which group of organisms is mentioned as the most diverse with over 1 million species?
Insects
Among different biomes, which biome has the highest biodiversity?
Tropical rainforest biome
What is the primary reason why many species have not yet been discovered?
Many unknown species are small and overlooked
What is the term used to describe the variety of life across all levels of biological organization?
Species diversity
What has caused scrubby vegetation to overgrow in some of Africa's savannas?
The removal of elephants
Which species has been extirpated from most of its historic range but is not yet extinct?
Black rhinos
How do humans contribute to biodiversity loss according to the text?
By changing ecosystems
What benefits do biodiversity provide to economies based on the text?
Supporting local businesses and employment
What is the definition of extirpation according to the text?
Loss of a species from one area only
Why is the recovery of the beaver population mentioned in the text?
To show how human actions can restore natural habitats
Explore the influence of elephant removal in African savannas and beaver population recovery on ecosystem restoration. Learn about the benefits of biodiversity, including economic advantages through tourism and recreation.
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