Anthropology Midterm: Human Evolution

73 flashcardsby Youssef
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1
1. Humans evolved from:
  • all are correct
  • monkeys
  • apes
  • prosimians
2
2. Differentiate between monkeys and apes:
  • monkeys have bigger brains
  • apes have opposing digits on feet only
  • monkeys lack tails
  • monkey arms are longer
  • apes can fully extend their elbows
3
3. Which of the following species is the most genetically variable?
  • humans
  • chimpanzees
  • gorillas
  • orangutans
4
4. Bipedalism produced
  • a flexible spine
  • all answers
  • spine pathologies not documented in other primates
  • shorter and wider pelvis
  • liberation of arms from locomotion
5
5. Chimps and humans can be similar in:
  • body weight
  • thorax shape
  • upper and lower limb proportionss
  • Skull size
  • cranial shape
  • pelvis shape
  • spine shape
6
1. Compared to other primates, the human brain is:
  • expected for human body size
  • all are correct
  • seven times bigger than expected
  • three times bigger than expected
  • has a bigger frontal lobe
7
2. Compared to apes, the human brain:
  • contains similar absolute neuron values
  • Is bigger than expected given human body size
  • contains proportionally more cortical neurons
  • all are correct
8
3. In humans:
  • our arms rotate similarly as in apes
  • our legs rotate similarly as in apes
  • our thorax is decoupled from the pelvis during locomotion
  • all are wrong
9
4. In humans:
  • our quadriceps are more developed than our hamstrings
  • all are correct
  • there is more muscle on legs than arms
  • swinging our arms while walking saves energy
10
5. In humans hands:
  • We can combine efficiently precision and power grips
  • Our thumb is more efficient because of its proportional strength
  • Our thumb is more efficient because of its proportional length
  • all are correct
11
1. Darwin said that:
  • all answers are correct
  • evolution mostly generates endless forms gradually
  • innovation can occur only through use of body parts
  • evolution generates endless forms gradually and non-gradually in similar proportions
12
2. The genetic school of the first third of the XXth century declared that:
  • all are correct
  • not all of Mendel´s inheritance laws are correct
  • it is mutation of genes that creates evolution
  • natural selection is not relevant for evolution
13
3. According to the modern synthesis (Neodarwinism):

  • Speciation occurs in isolated small populations
  • natural selection is restrictive (i.e., not all possible phenotypes are acceptable)
  • all answers are correct
  • both genetic mutation and natural selection are equally important
14
4. Genetic drift:
  • is allele frequency variation by chance occurring mostly in small populations
  • none of the answers are correct
  • is allele frequency variation by chance occurring mostly in populations regardless of size
  • is similar to genetic flow
15
5. Which of the following is true?
  • Natural selection can disrupt Hardy-Weinberg equilibrium
  • cladogenesis occurs in gradually evolving species
  • anagenesis implies speciation in evolutionarily static taxa
  • stabilizing selection does not exist
16
1. Homebox genes:
  • control phenotype
  • control a hierarchy of genes that determine organic development
  • all are correct
  • are situated in the genome in the same order as the body modules that they control
  • are master genes for organic development
  • can be exchanged among widely divergent species
17
Heterochrony
  • all are correct
  • is a modification of the spatial occurrence of a body part
  • is a genetically-determined modification of timing, rate or duration of a developmental process in an organism
  • only affects the shape of a body part
18
Epigenetics
  • all are correct
  • is a process by which the environment interferes with genetic activation
  • produce modifications that can be passed generationally
  • speeds up phenotypic modifications
19
4. Horizontal gene transfer:
  • It is more common among mammals than among other animals
  • operates under one type of process only
  • speeds functional innovation of features and their selection
20
1. As primates evolved from African ancestors, humans are:
  • Haplorhini-Platyrrhine-Hominid
  • Strepsirhini-Platyrrhine-Hominid
  • Haplorhini-Catarrhine-Hominid
  • Strepsirhini-Catarrhine-Hominid
21
2. Strepsirhini and Haplorhini are differentiated by the following features except one. Spot the wrong one:
  • Haplorhini have fused hemi-mandibles
  • Haplorhini have an orbital plate separating the eye from the temporal fossa
  • Haplorhini have shorter faces
  • Strepsirhini have two pre-molars
22
3. Behavioral ecology shows that in primates, the following adaptation produces the largest group size:
  • arboreal-folivorous
  • terrestrial-folivorous
  • arboreal-frugivorous
  • terrestrial-frugivorous
23
4. For primates between 5-35 kg which is their main food?
  • fruit
  • leaves
  • animal prey
  • seeds
24
1. In primates, males compete for:
  • any female
  • ovulating females
  • young females
  • females and males
25
2. Which of the following reproductive strategies is informally the most common among primates?
  • monogamy
  • polyandry
  • polygyny
  • ambivalent polygamy
26
3. Sexual dimorphism can be expressed through the following features but one. Which one?
  • secondary characters like skin coloring or cranial sagittal crests
  • canine size
  • genitalia size
  • body size
27
4. What is the most common reproductive strategy among most terrestrial primates living in open biomes with high predation?
  • polygyny with solitary females
  • monogamy
  • polyandry
  • polygyny in groups of females
28
1. 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
2. Most Miocene apes were:
  • using brachiation as locomotion
  • all answers are correct
  • like modern apes
  • arboreal and terrestrial quadrupeds
30
3. We inherited from Miocene apes:
  • our capability of metabolizing alcohol
  • all answers are correct
  • our long spine
  • our capability of converting sugar into fat
31
4. The habitats of most Miocene apes and the last common ancestor with chimpanzees were:
  • montane forests
  • equatorial rainforests
  • woodlands and dry tropical forests
  • parkland and grasslands
32
What anatomical features are commonly used to identify a hominin?

  • bipedalism
  • thick dental enamel
  • small teeth
  • all answers are correct
33
2. 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
3. What is the "obstetric dilemma"?
  • the unique rotation of human babies during parturition
  • the balance between pelvic inlet size and the fetus size
  • all answers are correct
  • the metabolic limit imposed by gestation
35
4. Bipedalism became selected because:
  • all answers are correct
  • it regulated bodytemperature
  • it enabled greater vision
  • it enabled he use of arms for carrying things
36
1. The interval between 3 and 2 million years ago creates which of the following evolutionary processes?
  • all answers are correct
  • brain enlargement
  • dental expansion
  • dental reduction
37
2. Which of the following statements is correct for the processes operating between 3 and 2 million years ago?
  • dental reduction occurs only under meat consumption
  • dental reduction occurs parallel to encephalization
  • encephalization was achieved exclusively through a vegetarian diet
  • dental reduction is not necessarily triggered by meat-consumption
38
3. How can early Homo be identified?
  • big brain, small teeth, big body
  • big brain
  • flat face, small teeth, big brain, modern intermembral proportions
  • modern body, primitive brain
39
1. Australopithecines are:
  • a group of hominin taxa that combined bipedalism with arborealism
  • hominins that had an hexagonal outline of their splanchnocranium
  • hominins whose intermembral proportions were intermediate between chimps and humans
  • all correct
40
2. Australopithecus afarensis:
  • was highly sexually dimorphic
  • had a brain substantially bigger than chimps
  • consumed only C3 foods
  • all are correct
41
3. which is (are) correct for australopithecines?
  • they had only one bipedal locomotor system
  • they matured as fast as chimps or faster
  • they had different types of spines
  • they had one socio-reproductive system
42
4. The Laetoli footprints show:
  • that there existed marked differences in body sizes
  • that bipedal locomotion in australopithecines was very similar to modern humans
  • that australopithecines´feet were used identically to modern humans
  • that hominins walked with bent hips and bent knees
43
What are early archaeological sites?
  • carnivore kills scavenged by hominins
  • central-place foraging locations
  • palimpsests where hominins contributed only by bringing stone tools
  • refuge spots where hominins fed individually
44
The hunting-scavenging debate has shown that early humans were:
  • acquiring largely defleshed carcasses acquired through passive scavenging
  • acquiring fully-fleshed carcasses, probably through hunting
  • were targetting marrow and brain exploitation instead of meat
  • acquiring partially fleshed carcasses through confrontational scavenging
45
The limb anatomy of Homo erectus was remodeled compared to previous hominins in order to:
  • perform better at speed running
  • perform better at endurance running
  • save energy when walking short distances
  • all the answers are correct
46
1. Which of the following selects positively for body size and shape?
  • adaptation to forests
  • Latitude and temperature
  • latitude
  • altitude
47
2. With whom did cannibalism enter human evolution?
  • Homo antecessor
  • Homo erectus
  • Homo (erectus) georgicus
  • all of them
48
3. When did hominins reach Asia?
  • 1.6 million years ago
  • 2 million years ago
  • 1 million years ago
49
4. Which of these features define Homo erectus in Asia?
  • long neurocranium
  • strong supraorbital torus and long neurocranium
  • sagittal keel
  • angled occipital
  • marked post-orbital constriction
  • strong supraorbital torus
  • all of them
50
In the last million years of human evolution, which of the following statements is (are) correct?
  • hominins diversify taxonomically according to geography
  • all are correct
  • hominin brain sizes in the same species vary according to geography
  • Hominin sexual dimorphism increases
51
2. What is a Denisovan?
  • An extinct hominin that never interbred with Homo sapiens
  • An extinct hominin, whose closest relatives are modern humans
  • An extinct hominin, whose closest relatives are Neanderthals
  • An extinct hominin, whose closest relatives are Homo erectus
52
3. How can the size and shape of the anatomies of the co-evolving African and Eurasian hominins be best explained?
  • Selection for sexual competition
  • Selection for physical strength
  • Selection to adapt to cold environments
  • Selection to adapt to forested habitats
53
1. When did the ancestor of Neanderthals and modern humans live?
  • 450.000 years ago
  • 40.000 years ago
  • 700.000 years ago
  • one million years ago
54
2. Which of the following is correct to describe Neanderthals?
  • their skulls were long and short
  • all of them
  • their teeth were highly worn
  • their bodies show frequent trauma
55
3. Neanderthals:
  • had occipital buns
  • had small noses
  • had a large thorax to warm the air that they breathed
  • Had narrow and short bodies
56
4. Neanderthals were also:
  • buried their dead
  • all answers are correct
  • were cannibalistic
  • had ornaments
57
5. The impact of Neanderthal DNA on us is reflected in:
  • Digestive diseases
  • lung-related diseases
  • all are Immune system diseases
  • Bone-related diseases
58
1. Which of the following does not define Homo sapiens?
  • occipital bun
  • Globular lateral cranial profile
  • Lower splanchnocranium in line or behind the nasal bones
  • Presence of chin
  • little marked supraorbital tori
59
2. Genetic and paleontological evidence show that Homo sapiens entered Europe at
  • 45-40.000 years
  • 120-100.000 years
  • 25.000 years
  • 70-60.000 years
60
3. Which of these processes apply to Eurasian Homo sapiens?
  • Decreased their brain size through time
  • Increased their brain size through time
  • Increased body volume through time
  • Their arms became smaller
61
4. Why is there so much variation in Homo sapiens?
  • all are correct
  • it is the result of adapting to different pathogens
  • It results from adapting to different diets
  • It results to adaptation to different degrees of UV exposure
  • It is due to the adaptation to different latitudes and temperatures
62
When did H. sapiens enter America?
  • 30. 000 years ago
  • 20. 000 years ago
  • 17. 000 years ago
  • 1000. 000 years ago
63
1. Spot the true statement regarding ape energetics:
  • humans have faster metabolism and slower life history than the other apes
  • chimps and humans have the same basal metabolic rate
  • gorillas can store fat
  • orangutans need more energy than humans
  • humans have similar metabolism and longer life history than other apes
64
2. Total energy expenditure (TEE) is:
  • dependent on energy allocated to basal metabolic rate
  • higher in active people compared to sedentary people
  • is additive; the more physical active, the more TEE
  • all are correct
65
3. Please select the decreasing order of hominids according to their capability of storing fat:
  • humans-orangutans-gorilla-chimp
  • humans-gorillas-orangutans-chimps
  • oragutans-gorillas-humans-chimps
  • all stored fat equally in captivity
66
4. Why was fat storage selected for?
  • all are correct
  • buffer against starvation
  • buffer for offspring brain growth
67
5. what is the essential human diet?
  • carbohydrate-dominated with fiber
  • protein-dominated (Paleo-diet)
  • fat-dominated (Keto-diet)
  • carbohydrate-dominated of all types
68
6. When was cooking adopted by humans?
  • maybe 1.7 million years ago
  • not until fire was discovered
  • 1 million years ago
  • 50.000 years ago
69
8. Select the correct option(s):
  • All are correct.
  • Most protein-coding genes differ between humans and chimps
  • Non-coding sequences show evidence of positive selection in humans
  • Some of the most rapid non-coding DNA sequences in humans are related to brain ontogenesis
70
4. In modern human mate selection, males and females choose as most important:

  • mutual attraction-good financial prospect
  • mutual attraction-similar education-similar religious belief
  • mutual attraction-dependable character-maturity
71
5. What predicts people´s mate preferences best?
  • culture
  • gender
  • environment
72
6. As an example of foragers, the Agta distribute food following which order of importance?
  • need_based-reciprocity-genetic kin
  • need_based-reciprocity
  • need_based-affines-genetic kin
  • genetic kin-need-based-affines
73
7. select which is(are) right:
  • humans rely on cumulative culture to survive
  • culture leads to evolutionary outcomes predicted by evolutionary theory
  • non-human animals have cumulative culture
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