In: Biology
1a. Which vertebrate group(s) have their greatest diversity in the Neotropical regions? (choose one)
A. mammals
B. birds
C. mammals and reptiles
D. amphibians and reptiles
E. amphibians
F. birds and reptiles
1b. Which of these groups of animals is probably the least known? In other words, which group has the greatest amount of new species described each year? (choose one)
A. amphibians
B. mammals
C. birds
D. fish