12.1 Organizing Life on Earth Quiz

What is the primary purpose of a phylogenetic tree?

• To list all known species on Earth

• To classify organisms based on habitat

• To illustrate evolutionary relationships among organisms

• To show the physical characteristics of organisms

Which of the following is NOT a DOMAIN in the taxonomic classification system?

• Bacteria

• Protista

• Archaea

• Eukarya

What is the correct order of taxonomic classification from most inclusive to least inclusive?

• Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

• Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

• Domain, Phylum, Kingdom, Class, Order, Family, Genus, Species

• Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species

What is the term for the science of naming and grouping species?

• Taxonomy

• Biology

• Ecology

• Genetics

What is a taxon?

• A group of organisms at any level of the taxonomic hierarchy

• A type of phylogenetic tree

• A method of DNA sequencing

• A classification system for plants only

Which of the following is a limitation of phylogenetic trees?

• They are not based on scientific data

• They do not show the length of time for evolutionary events

• They do not indicate the order of evolutionary events

• Can only use data of species we know about

What does a branch point in a phylogenetic tree represent?

• The extinction of a species

• The end of a lineage

• The evolution of a new trait

• A common ancestor of the lineages

What is the significance of the three domains of life?

• They are used to identify extinct species

• They show the major evolutionary branches of life

• They classify organisms based on size

• They represent the only living organisms on Earth

Which of the following is true about sister taxa?

• They are found in different domains

• They evolved from each other

• They share a common ancestor

• They are always more similar to each other than to any other taxa

What does the term 'binomial nomenclature' refer to?

• A method of classifying plants

• A two-part scientific naming system

• A classification system for extinct species

• A type of phylogenetic tree