Final Exam: Chapter 17 Human Evolution Flashcards Preview

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Flashcards in Final Exam: Chapter 17 Human Evolution Deck (21):
1

members of the "human" branch of the hominid clade, including the genus homo and its close relatives such as Australopithecus, but NOT Pan, Gorilla, or Pongo

Hominins

2

members of the clade containing humans(homo), chimpanzees and bonobos (Pan), gorillas (gorilla), and orangutans (pongo). commonly referred to a great apes

hominids

3

hominins first emerged at the end of the ______ period

Miocene (23-5.3 mya)

4

the tools at ____ are the earliest evidence of a distinctive stone-tool industry

Gona

5

Oldowan

named for a region of Kenya where some of the first tools of this period were discovered - Oldowan tools suggest that hominins could think more abstractly than their ancestors

6

Acheulean technology

tools associated with hominins between 1.7 mya and 100,000 years ago.
found across Africa, Asia, and Europe
Often found in association with homo erectus remains
Display more sophistication in construction that Oldowan tools

7

hominins first emerged out of

africa

8

levallois tools

tools formed by a distinctive method of stone knapping involving the striking of flakes from a prepared core.this technique was much more sophisticated than earlier toolmaking styles, and flakes could be shaped into sharp scrapers, knives, and projectile points

9

the discovery of this manipulated item suggested that neanderthals wore jewlery

shells

10

____ _________ gave rise to our species homo sapiens and neanderthals also diverged from this species

homo heidelbergensis

11

both molecular and fossil evidence suggest that humans and neanderthals represent separate parallel lineages descended from a common ancestor living in _____

africa

12

an important part of the evolution of primates was a shift away from smell to _____ as the dominant sense

sight

13

this factor of humans distinguishes us from any other species

language

14

which gene and area of the brain play a major role in processing language

FOXP2 gene in Broca's area

15

the human brain evolved in response to a complex variety of selective pressures related to ________

social living

16

Cultural evolution occurs when

human practices are passed from generation to generation

17

one of the most important forces driving the evolution of modern humans is

genetic drift

18

example of natural selection working on human traits

lactose tolerance; tibetans with gene that allows them to survive better at high elevations; women with low cholesterol (produce more offspring)

19

part of the brain that processes emotions

amygdala

20

vasopressin

"love drug" - 1 male with 1 female bond

21

humans sometimes make irrational decisions using

neural circuits that evolved to evaluate rewards more than 30 mya