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1060 Exam 2
1060 Exam 2
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1
Exponential growth began in humans following the
Black Plague
Agricultural Revolution
discovery of antibiotics
Industrial Revolution
2
The science of classifying living things is
taxonomy
phylogeny
evolutionary biology
systematics
3
An organism that fills a narrow niche is known as a
specialist
jack of all trades
species
generalist
4
Mammals with young that develop in pouches are called
Placental mammals
Marsupials
Monotremes
Pharyngeal mammals
5
Taking up or losing DNA to/from nearby cells is known as
horizontal gene transfer
vertical gene transfer
asexual reproduction
aneuploidy
6
What is the replacement fertility TFR for humans?
2.1
2
3
1.5
7
Affluence has a greater impact on the environment than poverty, even though poverty often elads to population growth.
True
False
8
What is an animal that lacks tissues?
Jellyfish
Flatworms
Sponges
Sea stars
9
Which factor in the IPAT model could potentially decrease impact on the environment?
Population
Affluence
Technology
10
Which type of dating is best for dating more recent events (thousands of years ago)
relative dating
dating apps
carbon dating
postassium-argon dating
11
In logistic growth, population size stabilizes
when predators are scarce
at 1000 individuals per square mile
at carrying capacity
when resources are high
12
Natural disasters, such as floods, earthquakes, and wildfires are density-independent limiting factors.
False
True
13
Fungi in a symbiotic relationship with plants roots are called
mycorrhizae
endoparasites
lichen
mycelia
14
Which of the following is true about all animals?
They have brains
They have tissues
They have an anus
They are heterotrophic
15
Limiting factors that are unrelated to the amount of arganisms living within a certain area are called
density-dependent
density-independent
16
The closest living relative to humans is the mouse
True
False
17
Which type of fungi are mushrooms?
Sac fungi
Zygospore fungi
Club fungi
18
Which organism grows by molting?
Roundworms
Flatworms
Segmented worms
Rotifers
19
Structures with no apparent purpose that resemble structures possessed by ancestral species are called
Vestigial strucutres
Homologous structures
Embryological structures
Convergent structures
20
Groups of individuals (usually of the same species) that live together in one place at the same time are called
Communities
Metapopulations
Species
Populations
21
The study of evolutionary relationships is called
taxonomy
systematics
phylogeny
ecology
22
Structures with different appearances and functions that all derived from the same body part in a common ancestor are...
Embryological structures
Convergent structures
Homologous structures
Vestigial structures
23
Which type of dating is best for very ancient fossils (millions of years old)
carbon dating
relative dating
dating apps
potassium-argon dating
24
What type of growth are humans experiencing?
exponential
logistic
25
Archaeopteryx and Tiktaalik are examples of
vestigial structures
homologous structures
hybrids
transitional forms
26
The first organism to have its genome sequenced was the pufferfish
True
False
27
Plants with vessels and seeds, but no fruits and flowers are known as
angiosperms
seedless vascular plants
gymnosperms
avascular plants
28
Who is most closely related to gibbons?
gorillas
orangutans
humans
chimpanzees
29
The complete set of DNA in an organism is called
chromosomes
genome
proteins
DNA sequence
30
Almost all of the protein-coding genes in humans and mice are the same
False
True
31
Which of the following is not a line of evidence for evolution
fossil record
genetic drift
molecular evidence
comparative anatomy
32
The geographic area where a population occurs is known as its
environment
ecosystem
range
habitat
33
DNA and protein sequences are examples of
Embryology
Comparative anatomy
Molecular evidence
Homologous structures
34
Which organism is a deuterostome?
leeches
insects
sea stars
clams
35
An example of a vascular seedless plant would be
moss
tulip
pine tree
fern
36
Birds are reptiles with scales, feathers, and hollow bones. They are also ectothermic like other reptiles.
False
True
37
A derived trait in birds would be
spinal cord
feathers
scales
lungs
38
Similarities in development are analyzed in which line of evidence for evolution?
Fossil record
Embyology
Molecular evidence
Comparative anatomy
39
Fossils are
all of the above
mineralized hard tissues like bone, teeth, and shells
organisms preserved in frozen soil or in dry caves
organisms trapped in amber
40
The phenomenon of organisms becoming more dark when adapting to polluted environments is called
industrial melanism
sootifying
tanning
peppering
41
Genes that can "jump" from one part of a DNA sequence to another are known as
pseudogenes
transposons
jumping genes
noncoding genes
42
Which line of evidence for evolution provides the most direct evidence that evolution has taken place
fossil record
embyology
molecular evidence
vestigial structures
43
Mycelia are masses of interconnected filamentous structures called
lichen
mycorrhizae
hyphae
basidia
44
Choose an example of evidence that natural selection can lead to evolution
Elaborate dances due to mate choice
A change in the hemoglobin gene to allow icefish to be clear
Fewer alleles in an island population than in a mainland population
Varied beak shapes of closely related Galapagos finches for different foods
45
Which equation is useful when calculating population growth independent of time?
population growth rate
population change
rate of natural increase
46
Which stage of demographic transition is triggered by increase in women's rights?
pre-industrial
industrial
transitional
post-industrial
47
Loss or gain of a chromosome is called
aneuploidy
transposons
mutation
horizontal gene transfer
48
What type of spacing results from competition?
uniform
clumped
random
49
Which animal is an immoble, colonial chordate?
lancelets
coral
vertebrates
tunicates/sea squirts
50
Which domain has large complex cells with linear DNA in a nucleus?
Eukarya
Prokarya
Archaea
Bacteria
51
What type of growth occurs in the absence of limiting factors?
expotential
unlimited
logistic
low density
52
An age structure diagram shaped like an upside-down triangle indicates a population that is
shrinking
growing
stable
53
Which stage of demographic transition is triggered by a decrease in infant mortality?
transitional
post-industrial
pre-industrial
industrial
54
Organisms with fewer differences in DNA sequence are more closely related than those with more differences
True
False
55
Some fungi are heterotrophic and others are photosynthetic
True
False
56
Traits inherited from a common ancestor are called
ancestral traits
shared traits
convergent traits
derived traits
57
The average number of children born per woman during her lifetime is called
natality
fecundity
replacement fertility
total fertility rate
58
A species where the chance of death is the same at all ages shows which type of survivorship curve?
Type II
Type III
Type I
59
Most single-celled eukaryotes belong to which kingdom?
Fungi
Plantae (plants)
Animalia (animals)
Protista (protists)
60
All vertebrates have a tail and pharyngeal pouches (gill slits) during development
True
False
61
There is evidence in our DNA of hybridization with Neanderthals
False
True
62
A species that produces many offspring, with few who survive to maturity show which type of survivorship?
Type III
Type I
Type II
63
Humans and mice are different because
one is big and one is small
they aren't different!
pseudogenes
non-coding DNA
64
The TFR that keeps population sizes stable is called the
replacement fertility
population growth rate
stabililty rate
total fertility rate
65
Which of the following is not a mode of locomotion for heterotrophic protists?
Fins
Cilia
Pseudopods
Flagella
66
The average amount of time between birth of an individual and birth of its offspring is known as
generation time
cohort
age structure
demographics
67
A population with many pre-reproductive individuals and few post-reproductive individuals is
growing
stable
shrinking
68
Which prokaryotic domain is most closely related to eukaryotes?
Bacteria
Eukarya
Archaea
69
Fossils are not rare because most organisms are covered in sediment and mineralize after they die
True
False
70
Over the course of equid evolution, horses grew larger, with more toes and bigger teeth to better reach leaves on trees
False
True
71
High population density is helpful for finding mates, avoiding competition, and gaining access to resources.
False
True
72
Derived traits are used to construct phylogenies
False
True
73
Vestigial genes are called
pseudogenes
useless!
hemoglobin
inactivated genes
74
Which stage of demographic transition is characterized by low death rates and falling birth rates?
industrial
transitional
pre-industrial
post-industrial
75
The length of time for half of an unstable form of an element to become stable is known as the
reduction time
radioactive decay
stabilization time
half-life
76
The twigs or branches of a phylogenetic tree represent
existing species
shared common ancestor
last universal common ancestor (LUCA)
extinct species
77
What is the shape of the growth curve for the type of population growth from the previous question?
n-shaped
U-shaped
J-shaped
S-shaped