Evolution Interactive Video

What percentage of the population in the narrator's country believes in evolution?

• 40%

• 50%

• 60%

• 75%

What does the scientific term 'theory' imply?

• A guess

• A fact observed in the natural world

• An idea that explains several phenomena at once

• A hypothesis

What did the first dinosaur fossils lead scientists to believe?

• Dinosaurs were giant birds

• Dinosaurs could fly

• Dinosaurs were similar to modern reptiles

• Dinosaurs were giant iguanas

What evidence supports the idea that whales descended from land mammals?

• The ability of whales to live on land

• Fossils of whales with feathers

• Vestigial pelvis and hind-limb bones in modern whales

• The presence of gills in early whales

What do homologous structures indicate?

• Differences in DNA sequences

• Organisms are unrelated

• Random genetic mutations

• A common ancestor among different species

How similar is the human genome to that of a chimpanzee?

• 100%

• 98.6%

• 85%

• 50%

What does biogeography study?

• The genetic makeup of organisms

• The biochemical processes in living organisms

• The distribution of living organisms around the world

• The fossil record of ancient organisms

Why are marsupials predominantly found in Australia?

• Because they evolved from birds

• Due to continental drift isolating their ancestors

• Because they cannot survive in other climates

• Due to human intervention

What is an example of direct observation of evolution?

• The genetic similarity between humans and fruit flies

• The discovery of dinosaur fossils

• The classification of organisms by Carl Linnaeus

• The development of fermenting chambers in lizard's intestines

What is macroevolution?

• Microevolution observed on a much longer time scale

• The development of new species in less than 30 years

• Quick genetic changes in large populations

• The study of fossils