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Stone tools found in layers of rock can show evidence for human evolution - Edexcel - GCSE Biology - Question 1 - 2013 - Paper 1
Question 1
Stone tools found in layers of rock can show evidence for human evolution. The diagram shows four locations, A, B, C and D, where stone tools were found. (a) (i) Co... show full transcript
Worked Solution & Example Answer:Stone tools found in layers of rock can show evidence for human evolution - Edexcel - GCSE Biology - Question 1 - 2013 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
Answer
The oldest tools were most likely to be found at D location D. This is because often the oldest artifacts are found in the deepest layers of sediment, and location D is indicated to be deeper in the rock layers.
Step 2
Step 3
Step 4
Using the information in the table, describe the changes in body structure that have occurred during human evolution.
Answer
Throughout human evolution, there have been notable changes in body structure:
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Height Increase: Average male height has progressively increased from 1.2 meters in Australopithecus afarensis to 1.8 meters in Homo sapiens.
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Brain Size Expansion: The average brain size has approximately doubled from 400 cm³ in Australopithecus afarensis to 1350 cm³ in Homo sapiens, indicating greater cognitive abilities.
These changes reflect adaptations that allowed for improved survival and social interaction.