Taxonomy and Classification Exam #1 Questions with Correct
Answers
Taxonomy - ✔✔the system of classifying organisms based on shared
characteristics
Binomial Nomenclature - ✔✔a two-part scientific name using the Genus and the
Species name
Genus - ✔✔group of closely related species; the first part of the scientific name
Species - ✔✔a group of similar organisms that can breed and produce fertile
offspring
Dichotomous Key - ✔✔an organized set of characteristics used to identify
organisms. Each step contains two choices until the organism is correctly
identified
Cladogram - ✔✔a branching map showing the evolutionary relationship among
different species.
usually has characteristics
Domain - ✔✔Largest taxonomic category.
There are 3 catergories: Bacteria, Archaea, Eukarya
Bacteria - ✔✔Domain of unicellular prokaryotes, have cell walls made of
peptidoglycan
, Archaea - ✔✔Domain of unicellular prokaryotes, have cell walls WITHOUT
peptidoglycan
Many survive in harsh environments
Eukarya - ✔✔Domain of unicellular or multicellular eukaryotes, contains Protista,
Fungi, Plantae, and Animalia
Kingdom - ✔✔Second largest group in taxonomic hierarchy
Unicellular - ✔✔One cell
Multicellular - ✔✔More than one cell
Autotroph - ✔✔Makes its own food by photosynthesis
Does not need to eat other organisms
Heterotroph - ✔✔Has to eat other organisms
Kingdom Archaebacteria - ✔✔-Prokaryote
-Unicellular
-Autotrophic
-Live in harsh environments
-Has cell wall
Answers
Taxonomy - ✔✔the system of classifying organisms based on shared
characteristics
Binomial Nomenclature - ✔✔a two-part scientific name using the Genus and the
Species name
Genus - ✔✔group of closely related species; the first part of the scientific name
Species - ✔✔a group of similar organisms that can breed and produce fertile
offspring
Dichotomous Key - ✔✔an organized set of characteristics used to identify
organisms. Each step contains two choices until the organism is correctly
identified
Cladogram - ✔✔a branching map showing the evolutionary relationship among
different species.
usually has characteristics
Domain - ✔✔Largest taxonomic category.
There are 3 catergories: Bacteria, Archaea, Eukarya
Bacteria - ✔✔Domain of unicellular prokaryotes, have cell walls made of
peptidoglycan
, Archaea - ✔✔Domain of unicellular prokaryotes, have cell walls WITHOUT
peptidoglycan
Many survive in harsh environments
Eukarya - ✔✔Domain of unicellular or multicellular eukaryotes, contains Protista,
Fungi, Plantae, and Animalia
Kingdom - ✔✔Second largest group in taxonomic hierarchy
Unicellular - ✔✔One cell
Multicellular - ✔✔More than one cell
Autotroph - ✔✔Makes its own food by photosynthesis
Does not need to eat other organisms
Heterotroph - ✔✔Has to eat other organisms
Kingdom Archaebacteria - ✔✔-Prokaryote
-Unicellular
-Autotrophic
-Live in harsh environments
-Has cell wall