To determine what groups the four portions (A-D) represent in the extent of global diversity of invertebrates, we must compare the characteristics and diversity of each invertebrate group mentioned in the options.
Based on biodiversity data:
Insects make up the largest portion of invertebrates because they are the most diverse and abundant group.
Molluscs are the second most diverse group, following insects.
Crustaceans are another significant group, but less diverse than insects and molluscs.
Other animal groups comprise various invertebrates not classified in the above three groups.
Given this information, the correct answer based on the image is:
A represents Insects.
B represents Molluscs.
C represents Crustaceans.
D represents Other animal groups.
Therefore, the correct option is: A-Insects, B-Molluscs, C-Crustaceans, D-Other animal groups.
This understanding helps us accurately categorize the segments in the pie chart according to their global diversity.
