Early Migration Answer Key

Name:

Date:

📚 Part 1: Multiple Choice Answers

1. The first humans to migrate out of Africa were called:

Neanderthals

✓

Homo sapiens

Cro-Magnons

Australopithecus

Explanation: Homo sapiens were the first modern humans to migrate out of Africa around 70,000-100,000 years ago.

2. What was the main reason early humans migrated?

Religious beliefs

✓

Following food sources

Escaping predators

Building cities

Explanation: Early humans were hunter-gatherers who followed animal herds and seasonal food sources to survive.

3. The land bridge that connected Asia and North America was called:

Pangaea

✓

Beringia

Gondwana

Atlantis

Explanation: Beringia was exposed during the Ice Age when sea levels were lower, allowing humans to cross from Siberia to Alaska.

4. Which factors helped early human migration? (Check all that apply)

✓

Ice Age lowering sea levels

✓

Development of tools and fire

Written language

✓

Climate changes

Explanation: Lower sea levels created land bridges, tools helped with survival, and climate changes forced movement. Written language came much later.

✏️ Part 2: Short Answer Model Responses

5. Explain how the Ice Age helped early humans migrate to new continents.

Sample Answer: During the Ice Age, much of Earth's water was frozen in glaciers, causing sea levels to drop significantly. This exposed land bridges like Beringia between Asia and North America, allowing early humans to walk across areas that are now underwater. The lower sea levels made it possible for humans to reach continents they couldn't access before.

Key Points to Look For: Ice Age, lower sea levels, land bridges exposed, walking across, Beringia example

6. Compare the challenges early humans faced during migration with the advantages they gained.

Sample Answer: Challenges included harsh weather, dangerous animals, finding food and water, and unknown territories. However, migration also brought advantages like discovering new food sources, avoiding overpopulation, finding better climates, and spreading to areas with fewer predators or competitors.

Key Points to Look For: Lists both challenges and advantages, mentions specific examples, shows understanding of push/pull factors

🎯 Part 3: Extended Response Guidance

7. Describe the journey early humans might have taken from Africa to Australia, including the challenges they faced and how they overcame them.

Model Response Elements:

• Route: Africa → Middle East → Asia → Southeast Asia → island hopping to Australia

• Challenges: Ocean crossings, tropical diseases, new environments, different animals and plants

• Solutions: Building boats/rafts, developing new tools, adapting diet, working in groups for safety

• Timeline: Gradual process over thousands of years, not a single journey

Scoring Guide: Full credit requires geographic accuracy, specific challenges, realistic solutions, and understanding of time scale involved.

Early Migration Answer Key

Early Migration Answer Key

📚 Part 1: Multiple Choice Answers

✏️ Part 2: Short Answer Model Responses

🎯 Part 3: Extended Response Guidance

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