Multiple Choice Use the graph to answer the questions.
17. The graph shows 1. how mang animals there are 2. how habitat loss affects biodiversity 3. how mang animals are extinct 4. how many known species there are
18. Which percentage of mammals is listed as threatened? 1. 20% 2. 26% 3. 30% 4. 30%
19. Which is the best conclusion you can make using these data? 1. Birds are not affected bg human population growth. 2. Mammals and fish will probably go extinct. 3. Habitat loss is a threat to biodiversity. 4. Amphibians and reptiles are recovering.