Human Evolution Chapter 10 Quiz

Along with other distinct traits, robust australopithecines had large _______ adapted for grinding food. Question 1 options: premolars and molars temporalis muscles and a sagittal crest front teeth and small back teeth both a. and b.

Beginning more than 3 mya, at least two lineages of hominin emerged, one that led to the genus Homo and one that: Question 2 options: included the now extinct descendants of Au. afarensis. gave rise to the genus Ardipithecus. was an evolution of other australopithecine lineages. ended with Au. africanus.

Thick dental enamel in _______ helps with crushing food. Question 3 options: apes australopithecines humans eosimians

Hominins have canines that are: Question 4 options: small, blunt, and nonprojecting, with no diastema. large and pointed, with a diastema. projecting, with a diastema. part of a honing complex.

Robust australopithecines were extinct by: Question 5 options: 1 mya. 3 mya. 4 mya. Their lineage continued.

The first recognizable ancestors of the lineage leading to humans include: Question 6 options: Australopithecus afarensis. Paranthropus. Sahelanthropus tchandensis. Orrorin tugenensis.

Australopithecus garhi may be the ancestor of: Question 7 options: Homo habilis. Australopithecus afarensis. Orrorin tugenensis. Homo sapiens.

Humans use their molars for: Question 8 options: biting. crushing. shearing. mashing.

Ardi was adapted to life in trees and: Question 9 options: on the ground. in the desert. near water. both b. and c.

In East Africa robust australopithecines are also called: Question 10 options: Orrorin. Sahelanthropus. Gigantopithecus. Paranthropus.

The earliest australopithecines first show up in the fossil record more than: Question 1 options: 0.5 mya. 1 mya. 2 mya. 4 mya.

Which of the following is an adaptive characteristic of bipedalism? Question 2 options: opposable thumb nails instead of claws convergent eyes longitudinal arch in the foot

Owen Lovejoy's provisioning hypothesis proposes that: Question 3 options: bipedalism meant less body surface to expose to the sun, resulting in a smaller body size. monogamy and food provisioning created the necessity for bipedalism. bipedalism arose in areas where the forest was disappearing. bipedalism arose as a result of a shift to hunting as a primary source of food.

Distinctive traits of robust australopithecines include: Question 4 options: small front teeth and large back teeth. a small brain and a large body. a big face and a sagittal crest. both a. and c.

You find a fossil that you are sure shows evidence of bipedalism. You know this because which of the following anatomical traits is present? Question 5 options: a narrow pelvis a posterior position of the foramen magnum an opposable hallux thighbones that angle in toward the knees

Ecological evidence from the site where Ardi was found shows that early hominins: Question 6 options: lived in a lush jungle. lived in a savanna. lived in a forest. migrated out of the area due to drought.

Ardi's intermediate form of bipedality included the use of: Question 7 options: longer hind limbs for clinging and leaping. palms and feet to move along tree branches. long phalanges to wrap around tree branches. a tail.

Fossils attributed to Australopithecus garhi were found at the Bouri site, in Ethiopia, along with: Question 8 options: abundant stone tools. animal bones with cutmarks. evidence for early Homo. fossil footprints.

The Laetoli footprints demonstrate that the foot of Australopithecus afarensis was humanlike in having a: Question 9 options: rounded heel. nondivergent big toe. double arch. all of the above

A hominin is defined as having the following two obligate behaviors: Question 10 options: speech and advanced cognition. bipedal locomotion and nonhoning chewing complex. bipedal locomotion and speech. nonhoning chewing complex and advanced cognition.

The ravine in northern Tanzania where many early hominin fossils have been recovered (often referred to as the "cradle of humankind") is: Question 1 options: Lake Turkana. Olduvai Gorge. Swartkrans. Hadar.

In an ape, the space between the upper lateral incisor and the canine that accommodates a large, projecting lower canine is a: Question 2 options: dental gap. gingival space. mesial bridge. diastema.

The Oldowan Complex is a part of the: Question 3 options: Upper Paleolithic. Lower Paleolithic. Eocene. Solutrean.