2. People buy totoaba swim bladders because they resemble those of Chinese bahaba, which is a critically endangered species.
3. (i) joint pain
(ii) easing pregnancy discomfort
4. (i) demand
(ii) wipe out
(iii) focuses on
5. D - not given
6. B, D
7. Greenpeace is worried that restaurants are replacing shark fin soup with fish maw and not identifying the origin of the ingredients.
8. The endangered totoaba is generally found in Mexican waters, so they feel a connection to the fish.
9. The tone of the article is generally negative, although the mention of the beach clean-up suggests there is some hope for the future.