Unit 7 Vocabulary Chapter 26

What is the term for similarity between two species due to convergent evolution?

• Homology

• Analogy

• Cladistics

• Phylogeny

In a phylogenetic tree, what does a basal taxon represent?

• A lineage that diverges late in the history

• A lineage that diverges early in the history

• A node representing divergence

• A group of species with a common ancestor

What is the two-part format of the scientific name of an organism called?

• Cladistics

• Binomial

• Taxonomy

• Phylogeny

What does a branch point in a phylogenetic tree represent?

• The earliest diverging member

• A single species

• The divergence of two or more evolutionary lineages

• A group of unrelated species

What is a clade?

• A group of unrelated species

• A group of species with a common ancestor

• A single species

• A taxonomic rank

What is the focus of cladistics?

• Grouping based on physical appearance

• Grouping based on common descent

• Grouping based on habitat

• Grouping based on diet

In the Linnaean system, what does the class rank group together?

• Orders

• Families

• Genera

• Species

What is the highest taxonomic rank in the modern classification system?

• Class

• Order

• Domain

• Family

What does an evolutionary lineage represent?

• A single species

• A sequence of ancestral organisms

• A group of unrelated species

• A taxonomic rank

In the Linnaean system, what does the family rank group together?

• Orders

• Classes

• Genera

• Species