Endangered species and extinctions • English Conversation Questions

What is an endangered species?
Why do species become endangered?
What are some examples of endangered species?
What is extinction and how does it differ from endangerment?
What impact do endangered species have on the environment?
What efforts are being made to protect endangered species?
How successful have these efforts been in preventing extinctions?
What are the ethical considerations surrounding the protection of endangered species?
How does the extinction of one species affect the larger ecosystem?
What can individuals do to help protect endangered species?
Are there any controversial approaches to protecting endangered species, and if so, what are they?