PHS: Edexcel sB4a Evidence for human evolution

A gradual change in the characteristics of a species over time?

• evolution
• revolution
• natural selection
• variation

What has provided most of the evidence for human evolution?

• fossils
• DNA sequencing
• old books
• cave paintings

What is the nickname of the most complete fossil of the species Ardipithecus ramidus?

• Ardi
• Rami
• Pithe
• Cus cus

Approximately, how old are the fossils of Ardipithecus ramidus (Ardi)?

• 4.4 million years
• 4.4 thousand years
• 4.4 billion years
• 44 years

"Lucy" is the nickname of which human-like ancient species?

• Australopithecus afarensis
• Ardipithecus ramidus
• Homo hablis
• Homo erectus

Which of these species is the oldest?

• Ardipithecus ramidus
• Australopithecus afarensis
• Homo hablis
• Homo erectus

Which of these species lived most recently?

• Homo erectus
• Ardipithecus ramidus
• Australopithecus afarensis
• Homo hablis

Generally, how can you tell which fossils are the oldest?

• The ones that are deeper in the ground
• The ones nearest the surface of the ground
• The ones that are most eroded
• The ones with a coating of iron oxide (rust)

Fossils of Homo hablis were originally discovered by which scientists?

• Mary and Louis Leakey
• Emma and Charles Darwin
• Marie and Pierre Curie
• Charles Darwin and Alfred Russel Wallace

How do scientists work out the age of ancient stone tools?

• By working out the age of the layers of rock that they were discovered in
• By working out the age of the rock that they are made out of
• By using supernatural powers
• They can't work out the age of ancient stone tools