anth203_midterm

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1
Humans evolved from:
  • monkeys
  • prosimians
  • apes
  • all are correct
2
Differentiate between monkeys and apes:
  • monkeys have bigger brains
  • monkey arms are longer
  • monkeys lack tails
  • apes have opposing digits on feet only
  • apes can fully extend their elbows
3
Which of the following species is the most genetically variable?
  • humans
  • gorillas
  • orangutans
  • chimpanzees
4
Bipedalism produced
  • spine pathologies not documented in other primates
  • shorter and wider pelvis
  • all answers
  • a flexible spine
  • liberation of arms from locomotion
5
Chimps and humans can be similar in:
  • thorax shape
  • upper and lower limb proportionss
  • spine shape
  • body weight
  • cranial shape
  • pelvis shape
  • Skull size
6
Compared to other primates, the human brain is:
  • three times bigger than expected
  • all are correct
  • seven times bigger than expected
  • has a bigger frontal lobe
  • expected for human body size
7
Compared to apes, the human brain:
  • all are correct
  • is bigger than expected given human body size
  • contains proportionally more cortical neurons
  • contains similar absolute neuron values
8
In humans:
  • our thorax is decoupled from the pelvis during locomotion
  • all are wrong
  • our legs rotate similarly as apes
  • our arms rotate similarly as apes
9
In humans:
  • swing our arms while walking saves energy
  • all are correct
  • our quadriceps are more developed than our hamstrings
  • there is more muscle on legs than arms
10
In humans hands:
  • all are correct
  • our thumb is more efficient because of its proportional strength
  • our thumb is more efficient because of its proportional length
  • we can combine efficiently precision and power grips
11
Darwin said that:
  • all answers are correct
  • evolution mostly generates endelss forms gradually
  • innovation can occur only through use of body parts
  • evolution generates endless forms gradually and non-graduall in similar proportions
12
The genetic school of the first thrid of the XXth century declared that:
  • it is mutation of genes that creates evolution
  • all are correct
  • not all of Mendel's inheritance laws are correct
  • natural selection is not relevant for evolution
13
According to the modern synthesis (Neodarwinism):
  • all answers are correct, except the one saying that "all answers are wrong"
  • all answers are wrong
  • both genetic mutation and natural selection are equally important
  • speciation occurs in isolated small populations
  • natural selection is restrictive (i.e., not all possible phenotypes are acceptable)
14
Genetic drift:
  • none of the answers are correct
  • is allele frequency variation by chance occurring mostly in small populations
  • is similar to genetic flow
  • is allele frequency variation by chance occurring mostly in populations regardless of size
15
Which of the following is true?
  • cladogenesis occurs in gradually evolving species
  • stabilizing selection does not exist
  • natural selection can disrup Hardy-Weinberg equilibrium
  • anagenesis implies speciation in evolutionarily static taxa
16
Homebox genes:
  • control a hierarchy of genes that determine organic development
  • are master genes for organic development
  • can be exchanged among widely divergent species
  • are situated in the genome in the same order as the body modules that they control
  • control phenotype
  • all are correct
17
Heterochrony:
  • is a genetically-determined modification of timing, rate or duration of a developmental process in an organism
  • is a modification of the spatial occurrence of a body part
  • only affects the shape of a body part
  • all are correct
18
Epigenetics
  • produce modifications that can be passed generationally
  • speeds up phenotypic modifications
  • is a process by which the environment interferes with genetic activation
  • all are correct
19
Horizontal gene transfer
  • it is more common among mammals than among other animals
  • speeds functional innovation of features and their selection
  • operates under one type of process only
  • none is correct
20
As primates evolved from African ancestors, humans are:
  • Haplorhini-Catarrhine-Hominid
  • Strepsirhini-Catarrhine-Hominid
  • Strepsirhini-Platyrrhine-Hominid
  • Haplorhini-Platyrrhine-Hominid
21
Strepsirhini and Haplorhini are differentiated by the following features except one. Spot the wrong one:
  • Haplorhini have shorter faces
  • Haplorhini have an orbital plate separating the eye from the temporal fossa
  • Strepsirhini have two pre-molars
  • Haplorhini have fused hemi-mandibles
22
Behavioral ecology shows that in primates, the following adaptation produces the largest group size:
  • terrestrial-folivorous
  • arboreal-frugivorous
  • arboreal-folivorous
  • terrestrial-frugivorous
23
For primates between 5-45 kg which is their main food?
  • animal prey
  • fruit
  • seeds
  • leaves
24
In primates, males compete for:
  • any female
  • females and males
  • young females
  • ovulating females
25
Which of the following reproductive strategies is informally the most common among primates?
  • polygyny
  • monogamy
  • polyandry
  • ambivalent polygamy
26
Sexual dimorphism can be expressed through the following features but one. Which one?
  • canine size
  • genitalia size
  • body size
  • secondary characters like skin coloring or cranial sagittal crests
27
What is the most common reproductive strategy among most terrestrial primates living in open biomes with high predation?
  • polyandry
  • polygyny with solitary females
  • polygyny in groups of females
  • monogamy
28
Which answer(s) is(are) right?
  • Humans evolved from a Miocene ancestor whose locomotion was knuckle-walking
  • Humans evolved from a Miocene ancestor with a short spine
  • all answers are right
  • Humans evolved from a Miocene ancestor that was adapted to the ground before bipedalism emerged
29
Most Miocene apes were:
  • like moder napes
  • arboreal and terrestrial quadrupeds
  • all answers are correct
  • using brachiation as locomotion
30
We inherited from Miocene apes:
  • our long spine
  • our capability of converting sugar into fat
  • all answers are correct
  • our capability of metabolizing alcohol
31
The habitats of most Miocene apes and the last common ancestor with chimpanzees were:
  • montane forests
  • equatorial rainforests
  • parkland and grasslands
  • woodlands and dry tropical forests
32
What anatomical features are commonly used to identify a hominin?
  • small teeth
  • all answers are correct
  • bipedalism
  • thick dental enamel
33
Select what is correct for Ardipithecus ramidus:
  • it is the oldest hominin found
  • all answers are correct
  • it was surely bipedal
  • it moved in trees
34
What is the "obstetric dilemma"?
  • the metabolic limit imposed by gestation
  • the unique rotation of human babies during parturition
  • the balance between pelvic inlet size and the fetus size
  • all answers are correct
35
Bipedalism became selected because:
  • all answers are correct
  • it enabled greater vision
  • it regulated body temperature
  • it enabled the use of arms for carrying things
36
Australopithecines are:
  • a group of hominin t axa that combined bipedalism with arborealism
  • hominins that had an hexagonal outline of their splanchnocranium
  • all correct
  • hominins whose intermembral proportions were intermediate between chimps and humans
37
Australopithecus afarensis:
  • consumed only C3 foods
  • was highly sexually dimorphic
  • all are correct
  • had a brain substantially bigger than chimps
38
which is (are) correct for australopithecines?
  • they matured as fast as chimps or faster
  • they had one socio-reproductive system
  • they had only one bipedal locomotyor system
  • they had different types of spines
39
The Laetoli footprints show:
  • that there existed marked differences in body sizes
  • that australopithecines feet were used identically to modern humans
  • that hominins walked with bent hips and bent knees
  • that bipedal locomotion in australopithecines was very similar to modern humans
40
The interval between 3 and 2 million years ago creates which of the following evolutionary processes?
  • brain enlargement
  • dental expansion
  • dental reduction
  • all answers are correct
41
Which of the following statements is correct for the processes operating between 3 and 2 million years ago?
  • encephalization was achieved exclusively through a vegetarian diet
  • dental reduction occurs only under meat consumption
  • dental reduction is not necessarily triggered by meat consumption
  • dental reduction occurs parallel to encephalization
42
How can early Homo be identified?
  • flat face, small teeth, big brain, modern intermembral proportions
  • big brain, small teeth, big body
  • big brain
  • modern body, primitive brain
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