Human Evolution: What do we know so far?

The ability to walk upright on two legs is called:

• bipedalism

• quadropedalism

• bicyclepedalism

• tripedalism

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All of these help us to be bipedal EXCEPT:

• S-shaped spine

• short, wide pelvis

• arched feet

• opposable thumbs

Modern humans and their closest relatives belong to the same family. Members of this family are called:

• hominids

• primates

• homo sapiens

• Lucy

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Who are the closest living relatives to humans?

• chimpanzees

• gorillas

• lemurs

• kangaroos

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What do we share in common with primates?

• Common Ancestors

• Humans evolved from monkeys

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What is the term for a feature that allows an organism to survive in its environment?

• adaptation
• variation
• homologous structure
• vestigial structure

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A/An (orangutan / human / gorilla / kangaroo) is not a hominid.

• Kangaroo

• Human

• Gorilla

• Orangutan

Hominids do not all have (an opposable thumb / flat toe and fingernails / a tail / premolars and molars with rounded cusps).

• opposable thumb

• fingernails

• A tail

• flat toe

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(Stereoscopic vision / bipedalism / two five-fingered hands) is a characteristic which distinguishes humans from the African apes.

• two five-fingered hands

• stereoscopic vision

• Bipedalism

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(Homo habilis / Homo sapiens / Gorilla gorilla / Australopithecus africanus) is not a hominin.

• homo sapiens

• gorilla gorilla

• homo habilis

• Australopithecus africanus

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