Which two reasons are given by scientists as explanation for the evolution of a bigger brain in Humans?
A big brain allowed early humans to walk upright.
A big brain enables humans to solve problems and communicate with each other.
The human brain increases in size the more it is used.
The size of the human brain has changed randomly as Humans evolved.
Fossil and DNA evidence suggests that...
Humans evolved from Gorillas and Chimpanzees.
Humans evolved from Chimpanzees.
Chimpanzees evolved from Gorillas and Humans evolved from Chimpanzees.
Humans evolved from the ancestors of Gorillas and Chimpanzees.
Human DNA is less than 1.7% different from Chimp DNA. It is 2.3% different from Gorilla DNA. It is 5.3% different from Orangutan DNA. Which two ideas are supported by this data?
Which part of the world are the first Humans thought to have come from?
Africa
Europe
Asia
North America
Which two features help identify human fossils?
What are hominids?
Human ancestors
Humans
Early Humans
Ape ancestors
What environmental change may have driven human evolution?
Development of dry grasslands
The ice ages
Rising sea levels as the climate warmed
The development of tropical forest
What does this diagram suggest about Human evolution?