WorksheetsClassification of Organisms
Total questions: 25
Worksheet time: 25mins
The naturalist who developed the two-word naming system for organisms was
Aristotle
Carolus Linnaeus
Willi Hennig
Terry Erwin
The characteristics that scientists use in cladistics are
analogous structures.
shared derived characters.
convergent structures.
shared homologous traits.
Which of the following lists the eight classification levels in proper descending order?
domain, kingdom, phylum, class, order, family, genus, species
kingdom, domain, phylum, order, class, family, genus, species
kingdom, phylum, family, class, domain, order, genus, species
phylum, kingdom, domain, class, order, family, genus, species
The basic biological unit of the Linnaean system is
species
genus
phylum
kingdom
The science of naming and classifying organisms is called
binomial nomenclature.
polynomial nomenclature.
taxonomy.
cladistics
The domain Eukarya is composed of all
prokaryotes
archaebacteria
animals
eukaryotes
Which of the following do biologists NOT use to classify organisms?
homologous structures
derived characters
appearance
analogous structures
An organism's scientific name consists of its
genus and species.
genus and family.
species and family.
common name and Latin name.
Honeybees, as members of the kingdom Animalia, are related to
wasps
birds
spiders
All of the above
Linnaeus's classification system was based on which of the following characteristics?
form and structure
DNA
behavior
phylogenetic relationships
Fungi obtain their nutrition by
carrying out photosynthesis.
secreting digestive enzymes onto whatever they grow on.
ingesting primary producers.
ingesting primary or secondary consumers.
Analogous characters are derived from
a recent common ancestor.
inferred relationships.
a distant common ancestor.
independent sources.
Biologists use cladograms to
evaluate the importance of characters.
estimate the degree of difference between organisms.
hypothesize the sequence in which different groups evolved.
analyze evolutionary relationships subjectively.
Which of the following is a characteristic of plants but NOT of animals?
eukaryotic cell type
multicellularity
cell walls made of cellulose
heterotrophic nutrition
Which of the following taxonomic categories refers only to plants?
phylum
class
division
kingdom
Linnaeus grouped structurally similar organisms of a single type into the category called a
species.
genus.
class.
order.
The species identifier denoting the species of the leopard frog, Rana pipiens, is
leopard
frog.
Rana.
pipiens.
The main criterion used by Linnaeus to classify organisms is their
phylogeny.
taxonomy.
morphology.
habitat.
An ancestry diagram made by grouping organisms according to their shared derived characters is called a
phylogenetic diagram.
taxonomic category.
phylum.
cladogram.
A modern systematic taxonomist would likely consider the following when classifying an organism:
the fossil record, morphology, embryological development, and macromolecules
the fossil record, morphology, embryological development, and habitat
behavior, morphology, embryology, and habitat
the fossil record, macromolecules, habitat, and embryological development
The evolutionary history of an organism is its
morphology.
taxonomy.
classification.
phylogeny.
Prokaryotes that inhabit harsh environments belong to the kingdom _________.
Fungi
Animalia
Archaebacteria
Eubacteria
The two-word system for naming organisms is called ___________________.
taxonomy
cladistics
phylogenetic diagram
binomial nomenclature
Kingdom __________ contains both unicellular and multicellular organisms, has cell walls made of chitin, and are all heterotrophic.
Animalia
Archaebacteria
Fungi
Eubacteria
A _____________________ looks like a family tree and has a branching pattern that indicates how closely related a subset of taxa are thought to be.
eukarya
phylogenetic diagram
taxonomic chart
phylumic diagram
