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WorksheetsClassification and Dichotomous Keys
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family
c)
organisms that share a genus
d)
organisms that share a species
2.
The scientific name for an organism is made from the:
a)
class and family name
b)
genus and species name
c)
domain and kingdom name
d)
kingdom and phylum name
3.
Which kingdom contains members who are prokaryotic?
a)
Archaebacteria and Eubacteria
b)
Archaebacteria and Protista
c)
Eubacteria and Animalia
d)
Eubacteria and Fungi
4.
Members of this kingdom live in unusual conditions such as deep ocean trenches or volcanoes
a)
Eubacteria
b)
Protista
c)
Fungi
d)
Archaebacteria
5.
Molds, yeast, and mushroom belong to kingdom:
a)
Eubacteria
b)
Archaebacteria
c)
Protista
d)
Fungi
6.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
7.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
8.
Which kingdom consists of heterotrophic organisms that grow on or in what they eat?
a)
archaea
b)
bacteria
c)
protists
d)
fungi
9.
What do protists, plants, fungi, and animals ALWAYS have in common? They are all...
a)
Multicellular
b)
Eukaryotic
c)
Prokaryotic
d)
Consumers
10.
The domain in which you would find methanogens, halophiles, and thermophiles.
a)
Bacteria
b)
Archaea
c)
Eukarya
d)
Prokarya
11.
Examples of fungi:
a)
Algae, mushrooms, and Staphylococcus
b)
Amoeba, molds, and Salmonella
c)
Water molds, yeast, and E. coli
d)
Yeast, mushrooms and molds
12.
Members of this kingdom are multicellular and heterotrophic
a)
Plantae
b)
Protista
c)
Animalia
d)
Achaebacteria
13.
Members of this kingdom never have a cell wall
a)
Animalia
b)
Plantae
c)
Archaebacteria
d)
Protista
14.
Members of this kingdom have cell walls made of cellulose
a)
Eubacteria
b)
Protista
c)
Plantae
d)
Fungi
15.
Term given to describe the 2 name naming system is:
a)
dichotmous key
b)
binomial nomenclature
c)
2 scientific names
d)
binomial key
16.
Who first proposed binomial nomenclature as a way of classifying organisms?
a)
Carl Linnaeus
b)
Carl's Jr.
c)
Charles Darwin
d)
Henry Groseclose
17.
Cells that do not have a true nucleus are called....
a)
eukaryote
b)
prokaryote
c)
unicellular
d)
multicellular
18.
Cells that have a true nucleus are called....
a)
eukaryotes
b)
prokaryotes
c)
unicellular
d)
multicellular
19.
The domain Archaea:
a)
are multicellular
b)
Undergo photosynthesis
c)
have membrain bound organelles
d)
are able to tolerate extreme conditions
20.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
21.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
22.
A botanist discovers a new plant in the jungle. Which of the
following observations of the plant’s characteristics would be useful in determining its identity with a dichotomous key?
following observations of the plant’s characteristics would be useful in determining its identity with a dichotomous key?
a)
It was discovered in the summertime
b)
It is wet from a recent rain storm.
c)
Its leaves curl up on the edges.
d)
It is eaten by native jungle ants.
23.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
24.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family
c)
organisms that share a genus
d)
organisms that share a species
25.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
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