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WorksheetsTaxonomy
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Having a standard taxonomic system benefits the scientific community by allowing scientists from all over the world to do which of the following?
a)
Have a common system for the classification of locations containing fossils
b)
Use a similar system to classify the impact of removing species from ecosystems
c)
Have a common understanding in the classification of organisms
d)
Understand how other scientists classify predator–prey relationships
2.
Both euglena and cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that distinguishes euglena (Protista) from cyanobacteria is the —
a)
ability to maintain homeostasis
b)
presence of ribosomes
c)
presence of a nuclear membrane
d)
ability to reproduce
3.
Each species of organism has a universally accepted scientific name that scientists assigned using a system known as --
a)
the name system
b)
the three domains
c)
binomial nomenclature
d)
cladistics
4.
Based on their scientific names, a scientist would know that the organisms Entamoeba histolytica and Entamoeba dispar do not belong to the same --
a)
class
b)
family
c)
genus
d)
species
5.
Which kingdom contains multicellular heterotrophs without cell walls?
a)
Protista
b)
Animalia
c)
Fungi
d)
Plantae
6.
Carolus Linnaeus developed a system for grouping organisms according to their similarities. What is this classification system called?
a)
Botany
b)
Domains
c)
Cladistics
d)
Taxonomy
7.
The main advantage of multicellularity is that --
a)
it allows for the most rapid population growth
b)
it tends to regulate population growth more efficiently
c)
it allows division of labor
d)
it prevents cells from specializing in only one or a few functions
8.
Which two vertebrates are most closely related?
a)
A and C
b)
A and E
c)
B and E
d)
B and D
9.
The two kingdoms composed entirely of unicellular organisms without a nucleus are --
a)
Bacteria and Archaea
b)
Bacteria and Protista
c)
Archaea and Protista
d)
Protista and Fungi
10.
A student collected the animal shown on a field trip. The student used a dichotomous key and a microscope to classify the animal.
How should this animal be classified?
How should this animal be classified?
a)
Arthropoda
b)
Annelida
c)
Mollusca
d)
Platyhelminthes
11.
A scientist exploring in the rainforest found an unclassified organism. It was multicellular and made of multiple thread-like structures. The organism had cells with a nucleus and a cell wall made of chitin. The scientists should classify this organism as belonging to the kingdom --
a)
Bacteria
b)
Fungi
c)
Plantae
d)
Protista
12.
The cell in Figure 20 most likely belongs to an organism classified in the kingdom --
a)
Animalia
b)
Plantae
c)
Bacteria
d)
Archaea
13.
With the advent of new biotechnology, which aspect does modern classification tend to rely on for the definitive classification of organisms?
a)
fossil similarities
b)
DNA similarities
c)
bone similarities
d)
embryonic similarities
14.
Which trait is shared by the organisms classified in kingdoms Protista, Plantae, Fungi, and Animalia?
a)
They contain only multicellular organisms
b)
They are made up of eukaryotic cells
c)
They all are photosynthetic autotrophs
d)
They are made up of cells that lack a nucleus
15.
Using the information below, which of the following would be characteristic of the kingdom bacteria?
I. Cell wall
II. Cell Membrane
III. Multicellular
IV. Heterotrophic
V. Autotrophic
I. Cell wall
II. Cell Membrane
III. Multicellular
IV. Heterotrophic
V. Autotrophic
a)
I and III
b)
I, II and V
c)
I, II, IV, and V
d)
I, II, III, and IV
16.
A family is composed of a number of related --
a)
phyla
b)
species
c)
orders
d)
genera (plural of genus)
17.
What does the presence of similar genes in very dissimilar organisms imply?
a)
The genes became identical through mutation
b)
The organisms do not share a common ancestor
c)
The genes were produced by different selection pressures
d)
The organisms share a common ancestor
18.
According to the cladogram, lungs are a trait that is present in which of the following organisms?
a)
fish, monkey, hagfish
b)
fish, frog, lizard
c)
frog, hagfish, bird
d)
lizard, pigeon, mouse
19.
The study of evolutionary relationships among organisms is called --
a)
phylogeny
b)
philosophy
c)
taxonomy
d)
ancestry
20.
Arthropods are joint-legged animals. Spiders, crabs, pill bugs, centipedes, and millipedes are examples of the many types of arthropods. Which of these arthropod groupings are most closely related?
a)
Arthropods of the same family
b)
Arthropods of the same species
c)
Arthropods of the same genus
d)
Arthropods of the same class
21.
The diagram shows taxonomic groups and a major distinguishing characteristic for all but two of them. Which characteristics will be used to complete the chart?
a)
Motile / Nonmotile
b)
Nonphotosynthetic / Photosynthetic
c)
Autotrophic / Heterotrophic
d)
No nucleus / Nucleus
22.
Which characteristic is the most important for determining which kingdom to classify an organism into?
a)
mode of nutrition (autotrophic vs. heterotrophic)
b)
highest level of organization (cell, tissue, organ, organ system)
c)
composition of the cell wall
d)
type of cell (prokaryotic vs. eukaryotic)
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