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Diversity of Living Things - Chapters 1 and 2 Flashcards | StudBud
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Diversity of Living Things - Chapters 1 and 2
Diversity of Living Things - Chapters 1 and 2
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1
Which process involves the exchange of genetic material?
conjugation
meiosis
regeneration
binary fission
2
The hierarchical classification system arranges species in categories
from most general to most specific.
from simplest to most complex.
according to relative size of the organism.
according to the number of organisms involved.
3
Which kingdom includes only heterotrophs?
Protista
Fungi
Archaea
Bacteria
4
What are the most common forms of bacteria and archaea?
cones and spheres
spirals and cones
rods and cones
spirals and rods
5
In the lytic cycle, where does the replication process occur?
In the capsid of the virus.
In the DNA of the host cell.
In the cytoplasm of the host cell.
In the genetic material of the virus.
6
What characteristic do modern biologists use to classify prokaryotes?
DNA
nutrition
shape
size
7
Prions are composed of which substance?
carbohydrates
proteins
nucleic acids
lipids
8
What is the broadest category in the hierarchical classification system?
Domain
Kingdom
Family
Phylum
9
Which term best describes the narrowest category for classifying organisms?
Class
Domain
Kingdom
Species
10
What is a plasmid?
the identical copy of the genome
a combination of RNA and DNA
a small loop of RNA
a small loop of DNA
11
What does this diagram show?
These animals adapted to environmental changes.
These animals share common genes.
These animals evolved from different species.
These animals have a shared evolutionary history.
12
What criterion can be used to classify an organism as a particular species?
geographic location
rate of reproduction
name
production of fertile offspring
13
In which environment have only halophilic Archaea been found?
sea water with high salt concentrations
deep sea vents with hot temperatures
craters of volcanoes
sediments of landfills
14
The sum total of the variety of organisms on Earth is often referred to as
community.
biodiversity.
ecosystem.
species.
15
Which of the following is a result of genetic diversity?
increased reproduction rates
decreased reproduction rates
increased resistance to disease
decreased resistance to disease
16
Which organisms are prokaryotes?
archaea, bacteria
archaea, protists
fungi, animals
bacteria, plants
17
How many kingdoms are used in the current system for classifying organisms?
six
four
five
three
18
Identify to which phylum the organism below belongs.
Sporozoa
Zoomastigina
Ciliophora
Cercozoa
19
Which statement is
true
for prokaryotic cells?
DNA is in a nucleus bound by a membrane.
The genome is made up of a single chromosome.
Mitochondria are present.
Most forms are multicellular.
20
DNA evidence has shown that animals and fungi are
more closely related to each other than protists and plants.
less closely related to each other than protists and fungi.
more closely related to each other than plants and fungi.
less closely related to each other than plants and animals.
21
Which term best describes the study of the structure of organisms?
biology
physiology
morphology
anatomy
22
What is a dichotomous key used for?
sequencing an organism's genome
distinguishing between two organisms
predicting population growth
identifying and classifying organisms
23
Which is the best description of a protist?
multicellular plant
unicellular eukaryote
unicellular prokaryote
multicellular eukaryote
24
Eukaryotic cells
lack a membrane-bound nucleus.
lack genetic material.
have a membrane-bound nucleus.
have very few organelles.
25
Which name describes rod shaped bacteria?
cubodial
spiral
cocci
bacilli
26
Which statement accurately describes haploid cells?
They contain one set of chromosomes.
They contain two sets of chromosomes.
They are produced only during asexual reproduction.
They are produced when egg and sperm fuse.
27
Methanogenesis occurs in environments lacking which substance?
methane
carbon dioxide
carbon monoxide
oxygen
28
Mitochondria divide by which method?
binary fission
meiosis
conjugation
regeneration
29
Which organism is known to cause an algal bloom resulting in a red tide?
dinoflagellate
slime mould
paramecium
diatom
30
By which process do cyanobacteria obtain energy?
decomposition
chemosynthesis
photosynthesis
methanogenesis
31
Morphology is the branch of biology that deals with
reproductive success of a species.
evolutionary history of a species.
appearance or form of organisms.
change in organisms.
32
Organisms in which kingdom have cell walls that contain peptidoglycan?
Bacteria
Plantae
Protista
Archaea
33
What is the correct format for the species name for humans?
Homo sapiens
Homo sapiens
homo sapiens
homo sapiens
34
Ecosystems are diverse due to variations in
biotic factors only.
temperature.
both abiotic and biotic factors.
precipitation.
35
Which statement is
true
?
Animal cells lack cell walls.
Plant and animal cells both have cell walls.
Plant cells lack cell walls.
Fungi cells lack cell walls.
36
Which kingdoms are classified in the domain Eukarya?
Bacteria, Animalia, Plantea
Archea, Fungi, Protista
Animalia, Fungi, Protista
Bacteria, Fungi, Animalia
37
Which statement about viruses is
true
?
They contain only RNA.
They cannot live independently outside of cells.
They exist only in eukarytic cells.
They contain membrane-bound organelles.
38
Which organelle provides the strongest evidence of endosymbiosis in early eukaryotes?
ribosomes
cell wall
chloroplast
nucleus
39
Amoebas are best known for the presence of which feature?
sporozoites
pseudopods
flagella
cilia
40
Which term describes organisms that must consume other organisms to obtain energy-yielding food
omnivore
autotrophic
eukaryotic
heterotrophic
