_______ in a population is regarded as consistent with Hardy-Weinberg equilibrium
panmixis
3
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Adapatations enhance the fitness of an organism. Fitness is best measured by quantifying ?
reproductive success
4
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the endospore allows bacterial species to
survive environmental extremes
5
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gram negative bacteria
possess an inner and outer membrane
6
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change in allele frequency due to small sample size
genetic drift
7
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organism cited as classic example of heterochrony
axolotl
8
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in science, a set of well-tested proportions
theory
9
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advocated a particulate model of inheritance
Gregor Mendel
10
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a membrane-bound organelle
nucleus
11
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is comprised of circular DNA
nucleoid
12
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presented teological (purpose) arguments to explain the origin of living organisms
William Paley
13
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a model organism used by the Lenski lab to demonstrate evolutionary change (the ability to use citrate) in the lab
escherichia coli
14
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cell wall constituent in domain bacteria
peptidoglycan
15
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endospore-former that causes gangrene
clostridium perfringens
16
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haploid cells involved in sexual reproduction
gametes
17
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a form of gene flow
emigration
18
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permits comparison of dimensional changes of traits that are observed during animal development
allometry
19
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assertion that requires testing
hypothesis
20
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general term for organism that utilizes oxygen
aerobe
21
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Darwin mentor and advocate of uniformitarianism
Charles Lyell
22
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States that the argument from design was not open to empirical evidence
David Hume
23
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gliding motility in spirochaetes is now understood to be
by the activity of bacterial flagella
24
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hybrid sterility is one manifestation of
a post-zygotic barrier to reproduction
25
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when Belyaev and his team began a program of fox domestication, they mated only those foxes that showed low aggression towards humans. In the wild, these artificially selected animals would be characterized as
having reduced flush (flight) initiation distance
26
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a proteobacterium that lives in the root nodules of leguminous plants that is capable of nitrogen fixation
rhizobium
27
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facultative anaerobes cannot tolerate oxygen
false
28
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some form of ________ is present in all cellular organisms
respiration
29
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chemoautotrophs obtain their carbon directly from
inorganic sources
30
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diversifying (disruptive) selection acts against
the phenotypic mean individuals (the typical individuals)
31
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William Thomson (Lord Kelvin) cited ______ in arguing that the earth could be no more than 100 million years old
cooling rates by conduction
32
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Heterocytes of Anabaena generally lack thylakoids. Why is this regarded as adaptive?
nitrogenase activity in the heterocyte would be poisoned by oxygen produced by the activity of thylakoids
33
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after a mere ten generations of breeding, Belyaev's domestication program yielded foxes that
barked like dogs, droopy ears, curved tails, produced patchy fur coloration
34
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in order for a trait to be adaptive, it must
maximize the number of offspring produced by the organism
35
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within a Lamarckian framework, the wings of a flightless bird would be best regarded as an example of
evolution by disuse
36
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the functional similarity between the wing of bats and the wing of birds is regarded as
analogy or convergence (similarity) due to shared environmental influences
37
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the ribosomes found in Archaea are directly involved in
protein synthesis
38
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Fleeming Jenkin argued that natural selection would be largely powerless to effect change since
inheritance is blending and, thus, novel traits are unable to sustain a response to selection
39
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HAART raises the genetic barrier to resistance by forcing HIV to simultaneosly acumulate multiple mutations that overcome the effects of multiple anti-retroviral agents
true
40
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the domain BActerian and the domain Archaea differ in that members of the latter lack
peptidoglycan cell walls
41
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the insertion of genes into a bacterial genome via uptake from the environment
transformation
42
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all members of a biological species are reproductively
cohesive
43
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eukaryotic organisms bear internal membrane systems
false
44
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natural theology was a largely pre-darwinian approach to the study of the living world which focused on
revealing organismal diversity as a means to florigy the Creator
45
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the range of similarities in the amino acid sequence of hemoglobin across a broad sampling of animal taxa is regarded as evidence of
molecular homology
46
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a change in allele frequency due to a bottleneck event could also be described as a change in allele frequency due to sampling error from the gene pool
true
47
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kind of symbiosis in which both organisms benefit from the relationship
mutualism
48
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differential reproductive success is a concise definition of
natural selection
49
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individuals with two alleles of the CCR5-delta32 gene have been shown to
resist infection by HIV
50
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the Juvenile Ape Hypothesis is based on the observation that
humans are unique among the great apes in showing relatively little allometric change during development
51
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a change in the timing and/or pace of developmental phenomena
heterochrony
52
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habitat isolation, temporal isolation and mechanical isolation
pre-zygotic barriers to reproduction
53
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the arrested embryonic development of hind limb buds is cited as evidence of tetrapod ancestry for
cetaceans
54
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polyploidy has been proposed as a mechanism for
sympatric speciation
55
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the devleopment of a hybrid whose fertility can be restored by a back-cross with one of the original parents; result is a new biological species
allopolyploidy
56
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experiments that involve subdividing an initial population of fruit flies into two separate groups and then growing multiple, successive generations on different sugar compounds were designed to test
allopatric models of speciation
57
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p, q
allele frequencies
58
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p^2, q^2, 2pq
genotypic frequencies
59
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anatoxin binds to the acetylcholine receptor site of ligand-gated ion channels; this binding leads to neurotoxictiy because
anatoxin cannot be removed by acetylcholinesterase
60
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studies of Pitx1 in stickleback embryos and adults have demonstrated that a differential appearance of ventral spines is due to
differences in the regulation of Pitx1 expression
61
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driven by asymmetries in parental investment in the offspring
sexual selection
62
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Darwin acknowledges that he was greatly influenced by
Malthus
63
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AZT when administered as an anti-retroviral agent to patients who were HIV+ functioned as an agnet of selection favoring those viruses that contained mutations associated with genes that code for the enzyme
reverse transcriptase
64
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sexual processes generally involve ________ , karyogamy and meiosis
plasmogamy
65
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molecular evidence revealed that this structure is descended from a plastid
apicoplast
66
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influx of potassium ions from guard cells results in
loss of turgor in the guard cells
67
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gametocytes of plasmodium develop into egg and sperm and then fuse
in the mosquito host
68
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the mature female gametophyte is contained within the mature sporophyte in the
anthophyta (flowering plants)
69
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structural plant tissue that is living at maturity
collenchyma
70
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term for floral part numbers that are typical of dicots
pentamerous
71
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eyespot or the pollen-receptive region of a carpel
stigma
72
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water translocation in xylem
transpiration
73
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structure that bears asexual spores of Ascomycota
conidiophore
74
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human blood parasite; agent of malaria
plasmodium
75
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invasive cell extension associated with parasitic fungi
haustorium
76
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agent of amoebic dysentery in humans
entamoeba histolytica
77
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programmed cell death
apoptosis
78
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sucrose translocation in phloem
bulk flow
79
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a ciliated protist that bears micronuclei and macronuclei
paramecium
80
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amoeboid organisms that live in CaCO3 shells
foraminifera
81
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term for floral part numbers that are typical of monocots
trimerous
82
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houses the male gametophyte in plants that produce seeds
pollen grain
83
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structural plant tissue that is dead at maturity
fibers or sclereids
84
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sushi
porphyra (Nori)
85
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site of meiosis that results in spore formation in plants
sporangium
86
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some members of the kinetoplastids are responsible for _____ and Chagas disease
African Sleeping Sickness
87
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Charles nad Francis Darwin conducted experiments which indicated that hte receptor for ____ resides in the tip of a coleoptile
phototropism
88
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the photosynthetic pigment chlorophyll a is a typical component of the photosynthetic machinery in ALL of the following except
apicomplexa
89
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the ascomycota and basidiomycota are distinctive in that
their cells have chitinous walls
90
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these organisms live in glass houses
bacillariophyta (diatoms)
91
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the synergids, polar nuclei (aka central cells), and the egg are part of
the megagametophyte of flowering plants
92
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transpiration is driven by
sun-mediated evaporation
93
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plant spores are produced by
meiosis
94
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initial CO2 fixation, which is mediated by PEP carboxylase, occurs in the _______ of C4 plants
mesophyll
95
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microspores develop directly into
microgametophytes
96
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the presence of two or more nuclei per cell would be typical of at least one prominent stage in all the following except
chlamydomonas
97
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a number of _______ which include the largest protists, are known to possess vascular tissue
kelps
98
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the antheridia of ferns produce ______ through mitotic divisions
sperm
99
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in the dicot root, the water-conducting tissue is largely composed of
tracheids or vessel elements
100
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the charophytes share a distinct form of cell division with the embryophytes. This type of cell division involves the development of a system of microtubules termed