Exam 24: Systematic Biology: Phylogeny and Classification

In the taxonomic hierarchy, a family consists of a group of similar ____.

Linear chromosome structure is a character unique to members of the domain(s) ____.

Similarity in any type of biological trait resulting from shared ancestry is called ____.

Characters that provide evidence for evolutionary relationships based on shared ancestry are called ____.

An ancestral ____ gave rise to animals including mammals, lizards, turtles, and birds.

Systematists aided in the effort to eradicate malaria from Europe by ____.

Phenotypic similarity that evolved independently in different lineages is called ____.

Describe why many systematists adopt the principle of parsimony.

A diagram that hypothesizes the evolutionary relationships between a set of organisms is a ____ tree.

The first modern practitioner of taxonomy was ____.

Homoplasies are useful characters for phylogenetic analyses

The eradication of malaria in Europe resulted from a specific breakthrough in the science of ____.

Morphological characteristics are widely used for taxonomic classifications because they are ____.

Which innovation(s) places birds in a separate class?

Why is the traditionally defined taxon Reptilia paraphyletic?

To which phylum does the American black bear ( Ursus americanus ) belong?

To account for variations in the evolutionary rates at different genetic loci, the ____ compares alternative trees reflecting different rates of evolutionary change to identify the best evolutionary path.

Gene sequences that evolve at a constant rate can be used to ____.

By definition, a monophyletic lineage is a ____.

Figure 24.3 - Answer the question using the accompanying figure. In the figure, letter A represents a ____ taxon, which includes ____.