Which of the following is NOT well understood by biologists? A. European butterfly habitats B. Comparisons of behavior patterns of butterflies and certain animal groups C. Differences in s
Which of the following is NOT well understood by biologists?
A. European butterfly habitats
B. Comparisons of behavior patterns of butterflies and certain animal groups
C. Differences in species richness within a temperate or a tropical region
D. Differences in species richness between temperate and tropical regions