Answer :
Final answer:
About 41% of the 7000 known amphibian species are threatened, largely due to human-related factors like habitat destruction and climate change.
Explanation:
Of the approximately 7000 species of amphibians in the world, about 41% of them are known to be threatened. This is reflective of global assessments indicating a high risk of extinction for a substantial number of species due to factors such as habitat destruction, climate change, and pollution.
The amphibian group consists of diverse members including frogs and toads, salamanders and newts, and caecilians, all of which face varying degrees of threat in different parts of the world.
