Biodiversity Threats and Importance

The video explores Earth's biodiversity, highlighting its genetic, species, and ecosystem diversity. It discusses patterns of biodiversity, the impact of extinction, and the importance of biodiversity hotspots. The video emphasizes the threats posed by human activities and the urgent need for conservation to protect biodiversity, which is crucial for environmental services, food supply, and potential medical discoveries.

What is the primary focus of the initial section on biodiversity?

• The impact of climate change on biodiversity

• The role of humans in biodiversity

• The extinction of species

• The variety of life forms on Earth

Which type of diversity provides a population with more material for evolution?

• Cultural diversity

• Species diversity

• Genetic diversity

• Ecosystem diversity

What is a characteristic of areas with high species diversity?

• They are located near the poles

• They have more kinds of species

• They have fewer species

• They are less biologically diverse

What is a significant threat to biodiversity mentioned in the third section?

• Solar flares

• Alien invasions

• Natural disasters

• Human activities

What is the current rate of species extinction according to some scientists?

• 10 species per day

• 50 species per day

• 100 species per day

• 200 species per day

What percentage of the world's surface do biodiversity hotspots cover?

• 20%

• 1.4%

• 5%

• 10%

Which of the following is a threat to biodiversity hotspots?

• Sustainable farming

• Natural growth

• Controlled urbanization

• Invasive species

Why is biodiversity crucial for human survival?

• It only affects wildlife

• It offers genetic resources for food and medicine

• It provides aesthetic value only

• It is not important for humans

What role does biodiversity play in environmental services?

• It pollutes air and water

• It cleans air and water

• It has no role

• It only affects soil

What is a potential consequence of continued biodiversity loss?

• Improved climate

• More natural resources

• Human extinction

• Increased biodiversity