WorksheetsClassification
Total questions: 76
Worksheet time: 54mins
Name
Class
Date
1.
What is the science of organizing, classifying and naming living things?
a)
taxonomy
b)
taxadermy
c)
taxicab
d)
toxicology
2.
In a properly written scientific name, which part is lowercase?
a)
species
b)
genus
c)
phylum
d)
family
3.
In the 8 levels of classification which level is the broadest category?
a)
Kingdom
b)
Family
c)
Species
d)
Domain
4.
Things that are classified together ___________.
a)
are not related to each other.
b)
share a similar evolutionary history.
c)
are larger organisms.
d)
have a different evolutionary history
5.
Which organism is MOST closely related to the common chimpanzee?
a)
grey wolf
b)
human
c)
monarch butterfly
d)
tiger snake
6.
Who organized living things based on shared characteristics and created a system for assigning scientific names?
a)
Carolus Linnaeus
b)
Robert Hooke
c)
Anton van Leeuwenhoek
d)
James Watson
7.
What are the 8 levels of classification of living things from most general to most specific?
a)
domain, kingdom, phylum, class, order, family, genus, species
b)
domain, kingdom, class, phylum, order, family, genius, species
c)
domain, kingdom, family, class, order, family, genus, species
d)
domain, king, phillip, class, order, family, genus, species
8.
If two species share the same class, they also share the same ______.
a)
phylum
b)
order
c)
genus
d)
species
9.
Organisms that belong to the same _________ share the MOST DNA.
a)
family
b)
kingdom
c)
genus
d)
species
10.
What is the difference between the full classification of organisms and their scientific names?
a)
The full classification of organisms and their scientific names vary in different countries.
b)
The scientific names of organisms include the order and family of the organisms, but the full classification includes only the species name.
c)
The full classification of organisms will include more categories of organisms than their scientific names.
d)
The scientific names of organisms include a single nomenclature, but the full classification includes various nomenclatures.
11.
What is the best explanation for the continual changes in the classification system of organisms?
a)
All organisms struggle for existence and become extinct.
b)
All organisms compete to be at the top of the food chain.
c)
Technological advances have allowed scientists to better compare organisms.
d)
More species have been discovered, but scientists have not analyzed all the data.
12.
What animal is most closely related to the American badger?
a)
Coyote
b)
European otter
c)
Gray wolf
d)
Leopard
13.
To what specific taxon would you assign this organism?
a)
Class Insecta
b)
Order Scorpiones
c)
Order Araneae
d)
Order Amblypygi
14.
To what order does the first organism belong? (red)
a)
Order Diptera
b)
Order Odonata
c)
Order Ephemeroptera
d)
Order Coleoptera
15.
Which kingdom is autotrophic AND has a cell wall?
a)
Bacteria
b)
Fungi
c)
Plantae
d)
Protista
16.
Which domain is capable of living in extreme environments like hot springs, geysers, or very salty waters?
a)
Bacteria
b)
Archaea
c)
Eukarya
17.
Which domain includes all animals and plants?
a)
Archaea
b)
Eukarya
c)
Bacteria
18.
Almost all bacteria are...
a)
Unicellular
b)
Multicellular
19.
Which two kingdoms are entirely multicellular?
a)
Animalia and Plantae
b)
Animalia and Protista
c)
Protista and Plantae
20.
What is the genus name here:
Canis lupus
Canis lupus
a)
Canis
b)
lupus
21.
Which kingdoms have some organisms that can make their own food (autotrophic)?
a)
Plantae and Animalia
b)
Fungi and Plantae
c)
Protista and Plantae
22.
Choose the correct way to write the scientific name for humans:
a)
homo sapiens
b)
Homosapiens
c)
Homo sapiens
d)
Homo Sapiens
23.
Mold, yeast, and mushrooms all belong to the Kingdom _______.
a)
Archaebacteria
b)
Fungi
c)
Eubacteria
d)
Protista
24.
Most animals in this phylum have a backbone.
a)
Arthropoda
b)
Chordata
c)
Annelida
d)
Mollusca
25.
This organism is found in a normal environment. What kingdom does it belong to?
a)
Eubacteria
b)
Protista
c)
Archaebacteria
d)
Fungi
26.
Who was the first scientist to develop a classification system for living organisms?
a)
Aristotle
b)
Carolus Linnaeus
c)
Robert Hooke
d)
Charles Darwin
27.
The science of classifying, describing and naming organisms is called:
a)
Astronomy
b)
Genetics
c)
Botany
d)
Taxonomy
28.
Cladograms are constructed by grouping organisms together based on their____________ characteristics.
a)
shared
b)
different
c)
similar
d)
opposite
29.
According to this cladogram, sharks are MOST closely related to which organism?
a)
Amphibians
b)
Ray finned fish
c)
Crocodiles
d)
Birds
30.
Who first proposed binomial nomenclature as a way of classifying organisms?
a)
Carolus Linnaeus
b)
Carl's Jr.
c)
Charles Darwin
d)
Henry Groseclose
31.
On the cladogram, which organism is the closest relative of the human?
a)
Frog
b)
Hare
c)
Caiman
d)
Parrot
32.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Identify organisms
c)
Identify bacteria only
d)
None of these
33.
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
34.
All vertebrates have
a)
no internal skeleton
b)
gills
c)
radial symmetry
d)
endoskeleton
35.
Fish
a)
are ectothermic
b)
are endothermic
c)
are invertebrates
d)
have lungs to breathe
36.
A snake
a)
is an amphibian
b)
is endothermic
c)
Has gills for breathing
d)
a reptile
37.
What phylum of animals has hollow bones, wings, and feet to escape predators?
a)
amphibians
b)
reptiles
c)
birds
d)
mollusks
38.
A snail, octopus, oyster, and clam are
a)
arthropods
b)
echinoderms
c)
amphibians
d)
mollusks
39.
Which group of animals are filter-feeders that have many pores?
a)
amphibians
b)
echinoderms
c)
arthropods
d)
sponges
40.
Arthropods can be divided into many groups. The three that we study are
a)
crustaceans, insects, arachnids
b)
echinoderms, segmented worms, sponges
c)
mammals, birds, fish
d)
amphibians, reptiles, birds
41.
The only vertebrates that are endothermic are
a)
amphibians and reptiles
b)
birds and mammals
c)
insects and arachnids
d)
echinoderms and mollusks
42.
Spiny stars, sea stars, sea urchins, and sea cucumbers are
a)
amphibians
b)
echinoderms
c)
amphibians
d)
mollusks
43.
One example of a segmented worm is
a)
black widow spider
b)
octopus
c)
snail
d)
earthworm
44.
What animal group has radial symmetry?
a)
echinoderms
b)
mollusks
c)
arthropods
d)
sponges
45.
A crab is in which group of arthropods?
a)
arachnids
b)
crustaceans
c)
insects
d)
echinoderms
46.
Which is not a characteristic of mollusks?
a)
soft bodies
b)
gills or lungs
c)
exoskeleton
d)
some have shells
47.
What group of animals has the following characteristics?
-ectothermic
-live in "2 worlds"
-metamorphosis
-lay eggs in water
-born with gills, develop lungs
-ectothermic
-live in "2 worlds"
-metamorphosis
-lay eggs in water
-born with gills, develop lungs
a)
reptiles
reptiles
reptiles
b)
amphibians
c)
echinoderms
d)
arthropods
48.
Arthropods have which of the following characteristics?
a)
filter-feeders
b)
metamorphosis
c)
segmented bodies
d)
simplest organism with nervous system
49.
Mushrooms are a type of fungus. What characteristic of fungi makes them different from plants?
a)
. Fungal cells are eukaryotic.
b)
Fungi are multicellular.
c)
Fungi are heterotrophic.
d)
Fungi have cell walls.
50.
In 1990, Carl Woese introduced the three domain system for classifying living things, after the advancement of DNA analysis allowed for a comparison of species genetic code. Which of the following is the best explanation for why domains were added to the previous system of classification?
a)
The old system of classification was wrong and needed to be corrected.
b)
. New species are evolving too quickly to keep up with the old system of classification.
c)
Domains have always been included, they were just made official recently.
d)
Some organisms, which were previously characterized together, were determined to be genetically very different.
51.
Many protists are single-celled organisms, as are bacteria. However, protists and bacteria are in different biological kingdoms. Which of the following comparisons of protists and bacteria is NOT true?
a)
. Both protists and bacteria can be motile.
b)
Both protists and bacteria are microorganisms
c)
Protists are eukaryotes, while bacteria are prokaryotes.
d)
Protists may be photosynthetic, but bacteria cannot be photosynthetic.
52.
Terrestrial plants have stomata on the surface of their leaves. Stomata are surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in plants?
a)
Water enters the plant through the surface of the leaf for transpiration
b)
. Gases for photosynthesis are exchanged through the surface of the leaf.
c)
. Gases for photosynthesis are exchanged through the surface of the leaf.
d)
Carbon dioxide enters the plant through the surface of the leaf for cellular reproduction.
53.
Plant cells that are specialized for cell division are most likely found in what part of the plant?
a)
root tips
b)
leaf epidermis
c)
stem epidermis
d)
vascular tissue
54.
If the xylem in a young tree is damaged, which process is first affected?
a)
. performing photosynthesis
b)
transporting sugar to the roots
c)
transporting water to the leaves
d)
absorbing water from the soil
55.
A plant species lives in an area with limited sunlight. Which physiological adaptation would be most useful to the plant?
a)
colorful flowers
b)
large leaves
c)
deep roots
d)
thin cuticle
56.
What is the main function of leaves?
a)
Leaves provide support for growth and a place to store food.
b)
Leaves provide a place for photosynthesis to occur.
c)
Leaves absorb water and minerals and transport nutrients to the stem.
d)
Leaves create a barrier that prevents water in the plant's tissues from evaporating.
57.
Which structure in the leaf controls the opening and closing of the stoma?
a)
cuticle
b)
epidermis
c)
guard cell
d)
spongy mesophyll
58.
Which statement describes the role of flowers in plant survival?
a)
Flowers can absorb carbon dioxide for sugar production.
b)
Flowers produce oxygen through cellular respiration.
c)
Flowers contain cells that carry out photosynthesis.
d)
Flowers contain cells that produce gametes.
59.
What is the main purpose of seeds in plants that have them?
a)
To protect and distribute the zygote
b)
To entice animals to eat the plant.
c)
To be fertilized by other plants.
d)
To store water for the mother plant.
60.
The diagram below shows a cross section of a plant leaf. How does the structure marked X contribute to the survival of the plant?
a)
. It allows the intake of gases necessary for photosynthesis.
b)
. It allows the intake of minerals necessary for plant growth.
c)
It allows the intake of sunlight necessary for ATP production.
d)
. It allows the intake of sugars necessary for plant reproduction.
61.
The diagram below represents a flower, the reproductive structure of some plants. Most flowers have both male and female structures for fertilization and reproduction. Which structure is represented by the letter A in the diagram?
a)
the stamen, a male structure which produces pollen
b)
the pistol, a female structure which collects pollen and passes it to the ovary
c)
. the sepal, a modified leaf used for protection of the flower
d)
. the petals, decorative structures which attract pollinators
62.
Mosses, liverworts, and hornworts are ___ plants.
a)
nonvascular
b)
vascular
63.
Nonvascular plants do not have true
a)
roots
b)
stems
c)
leaves
d)
all of these
64.
Nonvascular plants usually grow in:
a)
damp, shady areas
b)
deserts
c)
arctic regions
d)
sunny fields
65.
The nonvascular plant that is also known as a pioneer plant is:
a)
a liverwort
b)
a hornwort
c)
moss
d)
aloe vera
66.
Characteristics of xylem include:
a)
carries water in one direction
b)
carries organic substances in one direction
c)
carries inorganic substances in multiple directions
d)
none of these
67.
Phloem is plant tissue that carries ___ and ___ throughout the plant.
a)
organic and inorganic substances
b)
organic substances and water
c)
inorganic substances and water
d)
only water
68.
Xylem and phloem are found in
a)
all vascular plants
b)
all nonvascular plants
c)
all plants
d)
all mosses
69.
Evergreen and deciduous trees are examples of plants with ____ stems.
a)
herbaceous
b)
woody
70.
The term used to describe a plant that symbiotically grows on another plant is:
a)
epiphyte
b)
parasite
c)
pest
d)
gymnosperm
71.
The vascular, seedless plant that resembles miniature pine trees and is often called a ground pine is a:
a)
club moss
b)
fern
c)
whisk fern
d)
horsetail
72.
Vascular, seeded plants that contain seeds in cones are:
a)
angiosperms
b)
gymnosperms
c)
deciduous
d)
moss
73.
Angiosperms are easily classified because of the ___ that they produce.
a)
cones
b)
leaves
c)
flowers and fruits
d)
rhizomes
74.
Plants that are monocots exhibit ___ venation in leaves.
a)
parallel
b)
net
c)
mossy
75.
a)
dicot
b)
monocot
76.
a)
nonvascular
b)
vascular, seedless
c)
vascular, seeded
d)
angiosperm
100 %
