Classification

What is one purpose of classification?

• So that everyone can be confused.

• Gives names in a logical manner so the relationship is evident.

How does classification help in understanding relationships among organisms?

• Gives an universally accepted name to each organism.

• Gives names in a unlogical manner so the relationship is evident.

• So evey organism can have same or similar names.

• They are given similiar names.

What is the system called that gives each living organism a two-part name?

• The system is called binomial nomenclature.

• The system is called hierarchical classification.

• The system is called trinomial nomenclature.

• The system is called decimal taxonomy.

In binomial nomenclature, what is the first part of the name called?

• Species name

• Genus name

• Family name

• Order name

In binomial nomenclature, what is the second part of the name called?

• Genus name

• Family name

• Species name

• Order name

What is Phylogeny Systematics?

• Grouping of species into larger categories that reflect lines of evolutionary descent.

• A monophyletic group of species that include a single common ancestor and all the descendants of that ancestor.

• Single common ancestor and all of its descendants.

What are Clades?

• Grouping of species into larger categories that reflect lines of evolutionary descent.

• A monophyletic group of species that include a single common ancestor and all the descendants of that ancestor.

• Single common ancestor and all of its descendants.

Fill in the blank: A Monophyletic Group includes a single common ancestor and all of its ____.

• descendants.

• ancestors.

• variations.

• branches.

What is a Cladogram?

• Diagram that links groups of organisms by showing how evolutionary lines, or lineages, branched off from one another.

• A chart depicting the chronological order of events in biological history.

• A diagram that represents the structural organization of a cell.

• A tree diagram that illustrates the relationships between different families of animals.

What is a Node in a cladogram?

• The last point at which two lineages shared a common ancestor.

• Any terminal point that represents a current species.

• A branch point indicating the divergence of different traits.

• A hypothetical common ancestor with uncertain characteristics.