Human Evolution

Question 1

Who introduced the theory of evolution?

Answer 1

Charles Darwin in 1859

Question 2

Theory

Answer 2

A statement of relationships that rests upon a foundation of repeatedly tested hypothesiss that have not yet been justified.

Question 3

Microevolution

Answer 3

Change in the allele frequency of a population over a generational time.

Question 4

Macros volition

Answer 4

Change in species over geological time.

Question 5

Evolution

Answer 5

The change in the frequency of particular genetic variants In a population over time.

Question 6

What are the six mechanisms of evolution?

Answer 6

1. Mutation
2. Gene flow
3. Genetic drift
4. Founder effect
5. Recombination
6. Natural selection

Question 7

Foramen magnum

Answer 7

The large opening at the base of the skull through which the spinal cord passes.

Question 8

Why did bipedalism evolve?

Answer 8

Africa’s shift from a woodland to grassland savanah
Evolutionary advantage of having hands free
Predator avoidance
Toleration of heat stress
Energy efficiency

Question 9

How many years ago did we see the emergence of anatomically modern humans?

Answer 9

130,000 years ago

Question 10

How many years ago did we see the emergence of a more elaborate culture that included art and music?

Answer 10

50,000 Years ago

Question 11

What did the Hybridization and Assimilation model depict?

Answer 11

This model used overlapping fossil evidence and evidence of DNA mixtures between species to prove that Homo sapiens migrated out of Africa and interbred with existing hominid populations.

Question 12

What are the four anatomic features of bipedalism?

Answer 12

Foot, spinal cord, foramen magnum and pelvis.