• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/24

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

24 Cards in this Set

  • Front
  • Back

What are the three primate groups?

1. Lemurs


2. Tarsiers


3. Anthropoids

What are the two groups of Anthropoids?

1. Monkeys


2. Apes ( us)

What derived characteristics do mammals have?

1. mammary glads, produce milk


2. hair (keratin)


3. endothermy, causes a higher metabolic rate


4. larger brain than other vertebrates of equal size


5. differentiated teeth

What are the derived characteristics of primates?

1. most have hands and feet adapted for grasping, and flat nails


2. a large brain and short jaws


3. forward looking eyes close together, providing depth perception


4. complex social behavior and parental care


5. fully opposable thumb

The oldest known anthropoid fossils, are about __________ ; which indicates that _________ are more closely related to anthropoids than to ______

45 million years old; tarsiers; lemurs

When did New World monkeys first appear?

25 million years ago

Apes diverged from _____________ about __________________

Old World monkeys; 25 million years ago

What percent of the same genes do chimps and humans share?

99%

Changes in _________ can have large effects on how traits develope

Hox Genes

What are the derived characters of humans?

1. upright posture and bipedal locomotion


2. larger brains, capable of language, symbolic thought, artistic expression, and the manufacture and use of complex tools


3. reduced jaw bones and jaw muscles


4. shorter digestive tract

Paleoanthropology

the study of human origins

Hominins (Hominids)

a primate of a family ( Hominidae ) that includes humans and their fossil ancestors.

When and where did Hominins first apear?

about 607 million years ago in Africa

Early Hominins show evidence of __________

small brains and increasing bipedalism

Australoptihs

a paraphyletic assemblage of hominins living 2 to 4 million years ago

Homo habilis

- about 1.6 to 2.4 million years ago


- stone tools (handy man)

Homo ergaster

- first fully bipedal (standing erect), large brained hominin


- 1.5 to 1.9 million years ago

Homo erectus

- originated in Africa by 1.8 million years ago


- was the first hominin to leave Africa

Neanderthals

- live in Europe and the Near East from 28,000 to 350,000 years ago


- thick boned


- large brain


- buried their dead


- made hunting tools

When and where did Homo sapiens first appear?

115,000 years ago in the Middle East

Homo sapiens were the first group to show evidence of ___________

symbolic and sophisticated thought

When did humans first arrive in the New World?

15,000 years ago

DNA variation between race is the same level as ____________

DNA variation within the same race

Race has little _________ meaning

biological