Biodiversity Crisis and Conservation Challenges

The video discusses the importance of biodiversity from a functional perspective, highlighting its dynamic evolution and the services it provides to ecosystems. It emphasizes the vast number of unknown species, particularly microorganisms, and the spatial and temporal changes in biodiversity. The video also addresses the historical and current extinction crises, largely driven by human activities, and the significant economic impact of biodiversity loss. It concludes with a call for sustainable policies to preserve biodiversity for future generations.

What is the primary perspective from which biodiversity should be considered?

• Historical perspective

• Economic perspective

• Functional perspective

• Aesthetic perspective

Approximately how many species have been described and listed to date?

• 500,000 species

• 1.9 million species

• 100,000 species

• 10 million species

Which type of species are most of the undescribed species on Earth?

• Reptiles

• Mammals

• Microorganisms and fungi

• Birds

What factor is NOT mentioned as influencing biodiversity in different regions?

• Habitat type

• Altitude

• Latitude

• Longitude

How many major extinction crises have occurred in Earth's history?

• Ten

• Five

• Three

• Seven

What is the primary cause of the current biodiversity crisis?

• Natural disasters

• Human activities

• Alien species

• Climate cycles

Which of the following is NOT listed as a human activity contributing to biodiversity loss?

• Intensive agriculture

• Pollution

• Deforestation

• Space exploration

What percentage of ecosystem services are being progressively destroyed?

• 80%

• 20%

• 60%

• 40%

What is the estimated annual economic loss due to biodiversity loss?

• 1 billion EUR

• 50 million billion EUR

• 100 billion EUR

• 500 million EUR

Why is it vital to develop sustainable policies for biodiversity?

• To maintain ecosystem services and adapt to global changes

• To preserve cultural heritage

• To promote urban development

• To increase tourism