Human Evolution from Ape-like Ancestors

Question 1

What factors acted on the gene pool and influenced the evolution of humans?

Answer 1

• climate change causing alterations in habitat and food supply
• fast-running prey
• fierce predators

Question 2

What are the main sources of evidence that show humans have evolved from an ape-like ancestor?

Answer 2

1. Fossil evidence (the fossil record of early hominins)
2. Genetic evidence, specifically analysis of mitochondrial DNA
3. Cultural evidence such as tool-making