What Causes Extinction?

The video discusses the concept of extinction, highlighting its permanence and role in evolution. It outlines major causes such as disease, predators, climate change, habitat loss, and competition. Extinction is a natural part of evolution, creating opportunities for new life forms. Human activities have increased extinction rates, potentially leading to a mass extinction event that could threaten most life on Earth.

What is the term used to describe the disappearance of an entire species?

• Extinction

• Adaptation

• Diversification

• Evolution

Which of the following is NOT a major cause of extinction?

• Increase in natural habitat

• Introduction of new predators

• Climate change

• New diseases

How can the extinction of one species affect others?

• It has no effect on other species

• It only affects plant species

• It can lead to the extinction of dependent species

• It causes all species to thrive

What opportunity does extinction provide in the process of evolution?

• It prevents new species from emerging

• It reduces biodiversity permanently

• It creates new opportunities for other life forms

• It halts the process of evolution

What is the current concern regarding human impact on extinction rates?

• Humans are reducing extinction rates

• Humans are increasing biodiversity

• Humans are causing a mass extinction event

• Humans have no impact on extinction rates