Big History Threshold 6

What is human evolution?

• The process by which humans have evolved from rocks.

• The process by which humans have evolved from aliens.

• The process by which humans have evolved from plants.

• The process by which modern humans have evolved from ancestral primates.

What are the key stages of human evolution?

• Homo neanderthalensis, Homo heidelbergensis, Homo sapiens, Homo habilis

• Homo habilis, Homo erectus, Homo sapiens, Homo neanderthalensis

• Australopithecus, Homo neanderthalensis, Homo sapiens, Homo erectus

• Australopithecus, Homo habilis, Homo erectus, Homo sapiens

How does natural selection play a role in human evolution?

• Natural selection favors traits that have no impact on an individual's chances of survival and reproduction.

• Natural selection has no role in human evolution.

• Natural selection only favors traits that decrease an individual's chances of survival and reproduction.

• Natural selection favors traits that increase an individual's chances of survival and reproduction.

What are some examples of physical adaptations in human evolution?

• Sharp teeth and claws, ability to camouflage, ability to regenerate limbs

• Opposable thumbs, loss of body hair, increased height

• Webbed feet, gills for breathing underwater, wings for flight

• Bipedalism, increased brain size, reduced jaw and tooth size, changes in limb proportions

What is collective learning?

• The accumulation and sharing of knowledge and information across generations and societies.

• The individual acquisition of knowledge and information.

• The restriction of knowledge and information within a single generation or society.

• The process of forgetting and losing knowledge over time.

What are some examples of collective learning in human history?

• Oral tradition, farming, stone tools

• Written language, printing press, internet, educational institutions

• Tik Tok, Spotify, Podcasts about Stem Cell research

• All of the Above

Members of the species Homo sapiens are thought to have evolved roughly ________ years ago.

• 250,000

• 10,000

• 65 million

• 7 million

What caused the development of bipedalism in our hominid ancestors?

• 1. A rise in large carnivores that preyed on small mammals

• 1. Climate change started a shift from forests to savannahs

• 1. A migration from mountainous forests to flat grassland

• 1. A mass extinction of dinosaurs and the subsequent rise of mammals

 Members of the species Homo sapiens are the only organisms able to learn collectively.

• True

• False

How did the earliest humans support themselves?

• Foraging

• Agriculture

• Large-Scale Trade

• Fishing