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WorksheetsClassification
Total questions: 15
Worksheet time: 8mins
Which of the following is correctly written in the binomial nomenclature system?
Red wolf
Canis lupus
Ailurus Fulgens
Kingdom
Which of the following taxa contains the most members?
order
species
phylum
class
Which phrase best describes the Linnaean classification system?
The taxa are interchangeable
There is only one kingdom
Each level includes the more specific levels below.
Each genus contains one species.
One limitation of the Linnaean classification system is that it
organizes organisms into groups.
allows scientists to discuss organisms.
does not use organisms’ common names.
is based on physical characteristics alone.
The embryos of both mammals and reptiles are protected by amniotic fluid. What is this type of trait called?
derived character
molecular evidence
cladogram
outgroup
Cladistics is a classification system based on
nomenclature
common ancestry
dichotomous keys
physical characteristics
In a cladogram, what represents the most recent common ancestor shared by a clade?
the overlapping of one clade upon another
the longest branch
the node where branches meet
a mark by the clades derived character
Which of the following would be considered the strongest evidence that two species are related to one another?
same extinction pattern
similar genes
shared taxon
common structures
In the blank cladogram in Figure 17.1, what type of information would go on the lines labeled A?
derived characters
common ancestors
outcroppings
clades
In the cladogram, what type of information would go in
the area labeled B (hash lines)?
derived characters
outcroppings
common ancestors
clades
In classification, a species is defined as
the most general taxon of the classification system.
a group with similar physical characteristics.
the commonly used name for an organism.
a group of organisms that can breed and produce offspring.
Which of the following is the correct hierarchical order (from most broad to most narrow)?
Species, Genus, Family, Order
Kingdom, Phylum, Class, Order
Domain, Species, Phylum, Class
Family, Class, Genus, Species
What is the function of a dichotomous key
It is a key to predict snow days
It is used to tag animals
It is used to make a cladogram
It is used to identify organisms
How many choices are provided at each step in a dichotomous key?
4
3
2
1
In cladistics, an outgroup refers to organisms that share
no derived characters with other groups being studied.
physical characteristics with all members of a group.
a common ancestor with other members of a group
the ability to breed and produce offspring with each other.
