#Question id: 7699
#Unit 9. Diversity of Life Forms
In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?
#Question id: 7700
#Unit 9. Diversity of Life Forms
The legless condition that is observed in several groups of extant reptiles is the result of ________.
#Question id: 7701
#Unit 9. Diversity of Life Forms
The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ________
#Question id: 7702
#Unit 9. Diversity of Life Forms
If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?
#Question id: 7703
#Unit 9. Diversity of Life Forms
Carolus Linnaeus believed that species remained fixed in the form in which they had been created. Linnaeus would have been uncomfortable with ________.
#Question id: 7704
#Unit 9. Diversity of Life Forms
The best classification system is that which most closely ________.