Final Flashcards
Speech, advanced cognition, and complex material culture:
a. do not define a hominin.
b. define a hominin.
c. define a higher primate.
d. did not evolve through the primate lineage.
a.
do not define a hominin.
A hominin is defined as having the following two obligate behaviors:
a. speech and advanced cognition.
b. bipedal locomotion and nonhoning chewing complex.
c. bipedal locomotion and speech.
d. nonhoning chewing complex and advanced cognition.
b.
bipedal locomotion and nonhoning chewing complex
The foundational behavior of hominins was:
a. hunting.
c. bipedalism.
b. tool use.
d. speech.
c.
bipedalism
Which of the following is an adaptive characteristic of bipedalism?
a. opposable thumb
c. convergent eyes
b. nails instead of claws
d. longitudinal arch in the foot
d.
longitudinal arch in the foot
Hominins have canines that are:
a. small, blunt, and nonprojecting, with no diastema.
b. large and pointed, with a diastema.
c. projecting, with a diastema.
d. part of a honing complex.
a.
small, blunt, and nonprojecting, with no diastema
Humans use their molars for:
a. biting.
c. shearing.
b. crushing.
d. mashing.
b.
crushing
Thick dental enamel in helps with crushing food.
a. apes
c. humans
b. australopithecines
d. eosimians
b.
australopithecines
Bipedalism’s advantages over quadrupedalism include:
a. an increased ability to see greater distances.
b. running faster.
c. ease of transporting food.
d. both a. and c.
d.
both a. and c.
An increased ability to see greater distances is one of the adaptations to:
a. bipedalism.
c. improved diet.
b. diurnal sleeping patterns.
d. becoming larger.
a.
bipedalism.
Using tools and toolmaking is an adaptation by hominins linked to:
a. improved diet.
c. sleeping.
b. bipedalism.
d. becoming larger.
b.
bipedalism.
The first recognizable ancestors of the lineage leading to humans include:
a. Australopithecus afarensis.
c. Sahelanthropus tchandensis.
b. Paranthropus.
d. Orrorin tugenensis.
c. Sahelanthropus tchandensis
Which of the following is a derived trait of Sahelanthropus tchandensis?
a. big toe opposability
c. length of the calcaneus
b. larger body size
d. nonhoning chewing complex
d.
nonhoning chewing complex
The patchy forest hypothesis proposes that forests:
a. became patchy and food more dispersed.
c. became wet and swamp-like.
b. became lush woodlands.
d. did not change.
a.
became patchy and food more dispersed.
Owen Lovejoy’s provisioning hypothesis proposes that:
a. bipedalism meant less body surface to expose to the sun, resulting in a smaller body size.
b. monogamy and food provisioning created the necessity for bipedalism.
c. bipedalism arose in areas where the forest was disappearing.
d. bipedalism arose as a result of a shift to hunting as a primary source of food.
b.
monogamy and food provisioning created the necessity for bipedalism
Based on the research of Philip Reno, early hominins show reduced sexual dimorphism, which is evidence for cooperation and likely for:
a. monogamy.
c. pair bonding.
b. multifamily grouping.
d. multimale grouping.
c.
pair bonding.
Based on the morphology of the hand phalanx, Orrorin tugenensislived in a:
a.dry savanna.
c. jungle environment.
b. woodland environment.
d. forest environment.
d.
forest environment.
Ardi was adapted to life in trees and:
a. on the ground.
c. near water.
b. in the desert.
d. both b. and c.
a.
on the ground
Ardi’s intermediate form of bipedality included the use of:
a. longer hind limbs for clinging and leaping.
b. palms and feet to move along tree branches.
c. long phalanges to wrap around tree branches.
d. a tail.
b.
palms and feet to move along tree branches.
Ecological evidence from the site where Ardi was found shows that early hominins:
a. lived in a lush jungle.
c. lived in a forest.
b. lived in a savanna.
d. migrated out of the area due to drought.
c.
lived in a forest.
Two types of australopithecines were using two different types of locomotion in East Africa:
a.one was a quadruped and the other a leaper.
b. one was a clinger and the other a climber.
c. one was a knuckle walker and the other a quadruped.
d. one was a climber and the other a biped.
d.
one was a climber and the other a biped.
Beginning more than 3 mya, at least two lineages of hominin emerged, one that led to the genus Homoand one that:
a.included the now extinct descendants of Au. afarensis.
b. gave rise to the genus Ardipithecus.
c. was an evolution of other australopithecine lineages.
d. ended with Au. africanus.
a.
included the now extinct descendants of Au. afarensis
The Oldowan Complex is a part of the:
a.Upper Paleolithic.
c. Eocene.
b. Lower Paleolithic.
d. Solutrean.
b.
Lower Paleolithic
The Oldowan Complex includes tools like:
a.hand axes, flakes, and cores.
c. choppers, cobbles, flakes, and bone tools.
b. cobbles, flakes, and side scrapers.
d. choppers, hand axes, and side scrapers.
c.
choppers, cobbles, flakes, and bone tools.
In East Africa robust australopithecines are also called:
a. Orrorin.
c. Gigantopithecus.
b. Sahelanthropus.
d. Paranthropus.
d.
Paranthropus.
Distinctive traits of robust australopithecines include:
a.small front teeth and large back teeth.
c. a big face and a sagittal crest.
b. a small brain and a large body.
d. both a. and c.
d.
both a. and c.
Along with other distinct traits, robust australopithecines had large _______ adapted for grinding food.
a.premolars and molars
c. front teeth and small back teeth
b. temporalis muscles and a sagittal crest
d. both a. and b.
d.
both a. and b.
Robust australopithecines were extinct by:
a.1 mya.
c. 4 mya.
b. 3 mya.
d. Their lineage continued.
a.
1 mya
Australopithecus robustus was likely the longest-surviving species of australopithecine in South Africa. It had:
a. a big brain, big teeth, and a big face.
b. large molars, a big face, and a sagittal crest.
c. a large body, large teeth, and a sagittal crest.
d. a big face, large teeth, and a large body.
b.
large molars, a big face, and a sagittal crest
Australopithecus robustus’s large masticatory complex (large molars, face, and muscles) indicate an adaptation to:
a. eating hard food with sand in it.
c. eating foods requiring heavy chewing.
b. eating a great deal of red meat.
d. gnawing on bones.
c.
eating foods requiring heavy chewing.
The diversity of the hominins included increasingly specialized:
a.locomotion.
c. body sizes.
b. social patterns.
d. diets.
d.
diets.
Australopithecus garhimay be the ancestor of:
a. Homo habilis.
c. Orrorin tugenensis.
b. Australopithecus afarensis.
d. Homo sapiens.
a.
Homo habilis
The adaptive radiation of the australopithecines after their split from the lineage that led to early Homo seems to have focused on:
a. bipedalism.
c. brain size increase.
b. mastication.
d. body size increase.
b.
mastication.
The ravine in northern Tanzania where many early hominin fossils have been recovered (often referred to as the “cradle of humankind”) is:
a. Lake Turkana.
c. Swartkrans.
b. Olduvai Gorge.
d. Hadar.
b.
Olduvai Gorge
The only preaustralopithecine found outside the East African Rift Valley is:
a. Orrorin tugenensis.
c. Sahelanthropus tchadensis.
b. Ardipithecus kadabba.
d. Ardipithecus ramidus.
c.
Sahelanthropus tchadensis
The earliest hominins probably lived in which kind of environment?
a. dense tropical forest
c. open savanna grassland
b. complex hybrid habitats
d. arid, high-altitude uplands
b.
complex hybrid habitats
The Laetoli footprints demonstrate that the foot of Australopithecus afarensiswas humanlike in having a:
a. rounded heel.
c. double arch.
b. nondivergent big toe.
d. all of the above
d.
all of the above
Fossils attributed to Australopithecus garhiwere found at the Bouri site, in Ethiopia, along with:
a. abundant stone tools.
c. evidence for early Homo.
b. animal bones with cutmarks.
d. fossil footprints.
b.
animal bones with cutmarks
Evidence indicating that Orrorin tugenensiswas bipedal comes mainly from which part of the skeleton?
a. femur (thighbone)
c. foot
b. skull
d. pelvis
a.
femur (thighbone)
The discovery of Kenyanthropus platyopswas important mainly because:
a. it had a small brain like an ape’s.
b. it was discovered in Kenya.
c. it showed diversity in the hominin fossil record 3.5 mya.
d. it probably lived in woodlands.
c.
it showed diversity in the hominin fossil record 3.5 mya.
In an ape, the space between the upper lateral incisor and the canine that accommodates a large, projecting lower canine is a:
a. dental gap.
c. mesial bridge.
b. gingival space.
d. diastema.
d.
diastema.
Australopithecus garhihas been proposed as an ancestor for Homomainly because it:
a. had a bigger brain than other australopithecines.
b. had smaller molar teeth than other australopithecines.
c. had longer legs relative to arm length than other australopithecines.
d. was bipedal.
c.
had longer legs relative to arm length than other australopithecines.
The earliest australopithecines first show up in the fossil record more than:
a.0.5 mya.
c. 2 mya.
b. 1 mya.
d. 4 mya.
d.
4 mya.
A preaustralopithecine most likely has which of the following characteristics?
a. nonhoning dentition, primitive apelike traits, and increased brain size
b. modified honing dentition, primitive apelike traits, and increased brain size
c. modified honing dentition, primitive apelike traits, and small brain size
d. nonhoning dentition, loss of apelike traits, and small brain size
c.
modified honing dentition, primitive apelike traits, and small brain size
You find a fossil that you are sure shows evidence of bipedalism. You know this because which of the following anatomical traits is present?
a. a narrow pelvis
b. a posterior position of the foramen magnum
c. an opposable hallux
d. thighbones that angle in toward the knees
d.
thighbones that angle in toward the knees
The discoverer of Pithecanthropus erectuswas:
a. Eugene Dubois.
c. Behane Asfaw.
b. Time White.
d. Yohannes Haile-Selassie.
a.
Eugene Dubois
The original name for Homo erectuswas:
a. Australopithecus.
c. Paranthropus.
b. Pithecanthropus.
d. Homo rudolfensis.
b.
Pithecanthropus
Which two fossil species lived at the same time around 2.5–1 mya?
a. Australopithecusand Homo sapiens
b. Homo erectus and Homo rudolfensis
c. Homo habilis and Homo erectus
d. Pithecanthropus and Homo rudolfensis
c.
Homo habilis and Homo erectus
Stone tools are more commonly found on archaeological sites thought to be associated with:
a. Homo rudolfensis.
c. Australopithecus.
b. Paranthropus.
d. Homo habilis.
d.
Homo habilis.
Modern anatomical features of the Nariokotome Boy include:
a. relatively short arms and long legs.
b. brain size within the modern human variation.
c. relatively long arms and short legs.
d. a large nose with an improved sense of smell.
a.
relatively short arms and long legs
Homo erectus walked just like a modern human, with traits like:
a. long legs and opposable toes.
b. double arches and an adducted big toe.
c. long arms.
d. a foramen magnum at the back of the skull.
b.
double arches and an adducted big toe.
Some Homo erectus specimens had very large and robust bones while others were:
a. small with robust bones.
c. gracile.
b. tall with robust bones.
d. small with thin bones.
c.
gracile.
The earliest fossil evidence for Homo erectusin Western Europe dates from:
a. 1.6 mya, from Sima de los Heusos.
c. 1.6 mya, from Dmanisi, Georgia.
b. 0.3 mya, from France.
d. 1.2 mya, from Sima del Elefante.
d.
1.2 mya, from Sima del Elefante.
Eugène Dubois was one of the first researchers in the nineteenth century who used the scientific method to test the hypothesis of early human ancestors in Asia with:
a. fossil evidence.
c. genetics.
b. comparative anatomy.
d. archaeological remains.
a.
fossil evidence.
Homo rudolfensisis morphologically most similar to:
a. Homo erectus.
c. Homo habilis.
b. Homo sapiens.
d. Australopithecus robustus.
c.
Homo habilis.
The earliest members of the genus Homohave been found dating from:
a. 0.5 mya–present.
c. 4.0–3.0 mya.
b. 2.5–1.0 mya.
d. none of the above
b.
2.5–1.0 mya
The first evidence of modern human traits, including increasing brain size and dependence on material culture, shows up in:
a. Homo erectus.
c. Homo neanderthalensis.
b. Homo sapiens.
d. Homo habilis.
d.
Homo habilis.
Compared to australopithecines, Homo habilisis characterized by a:
a. smaller face.
c. rounder and larger skull.
b. bigger brain.
d. all of the above
d.
all of the above
Homo habilishad traits that include:
a. long, modern legs.
c. a striding gait.
b. short legs.
d. quadrupedalism.
b.
short legs.
Anatomical evidence from fossilized hand bones suggests that the precision grip needed to make and use stone tools was present:
a. only in Homo erectus.
b. only in Homo habilis.
c. in Homo habilis and some australopithecines.
d. in all australopithecine and Homo species
c.
in Homo habilis and some australopithecines
Homo habilis experienced a major shift to new environments that was characterized by:
a. dietary shift.
b. tool use for obtaining and processing food.
c. big-game hunting.
d. the use of marine resources.
b.
tool use for obtaining and processing food
Southern and eastern African sites dating to 2.5 mya show habitats indicating:
a. the spread of C3 plants.
b. reduction both in habitat types and in dietary diversity.
c. a more frequent use of tools for the digging and processing of roots and tubers.
d. none of the above
c.
a more frequent use of tools for the digging and processing of roots and tubers
The discoverer of Homo erectuswas:
a. Louis Leakey.
c. Eugène Dubois.
b. Richard Leakey.
d. Ernst Haeckel.
c.
Eugène Dubois.
Homo erectusfossils date to:
a. 3–1 mya.
c. 1.8–300,000 mya.
b. 2.5–0.5 mya.
d. 1.2–800,000 mya.
c.
1.8–300,000 mya
A central theme of human evolution is a(n):
a. increasing adaptive flexibility.
c. decreasing body size.
b. decreasing cranial capacity.
d. more robust jaw.
a.
increasing adaptive flexibility.
The Nariokotome Boy discovered at Lake Turkana (Homo erectus) has modern human traits such as:
a. shorter arms and longer legs than those of earlier hominids.
b. retention of an australopithecine-like body plan.
c. longer legs than later hominids.
d. a mix of arboreal and bipedal adaptations.
a.
shorter arms and longer legs than those of earlier hominids.
TheHomo erectusfossil from Sangiran, Java, dates to:
a. 800,000 yBP.
c. 1.8–1.6 mya.
b. 1.2–1.0 mya.
d. 2.2–2.0 mya.
c.
1.8–1.6 mya