BIOLOGY - Environment - Endangered species

The video discusses endangered species, highlighting the alarming rate of extinction due to human activities. It explains the importance of conservation to preserve biodiversity and genetic variation. Various conservation methods, such as wildlife parks, captive breeding, and seed banks, are explored. The video emphasizes the ethical duty to protect species and the need for large, wild populations to ensure survival.

What is the estimated rate of extinction due to human activities compared to natural rates?

• 10 to 100 times higher

• 1,000 to 10,000 times higher

• 10,000 to 100,000 times higher

• 100 to 1,000 times higher

Why is genetic variation crucial for the survival of a species?

• It increases the risk of inherited conditions.

• It allows species to adapt to environmental changes.

• It helps in forming emotional connections with humans.

• It ensures species can live in captivity.

Which of the following is NOT a cause of species becoming endangered?

• Habitat destruction

• Climate change

• Increased genetic variation

• Introduction of invasive species

What is one disadvantage of keeping animals in captivity?

• They are more likely to become extinct.

• There is a risk of inbreeding.

• They lead a normal life similar to the wild.

• They have a higher chance of genetic variation.

How are endangered plant species preserved?

• By planting them in national parks

• By storing seeds in seed banks

• By increasing their genetic variation

• By keeping them in zoos