Mary Leakey — Questions and answers

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What extraordinary discovery did Mary Leakey and her team make in 1978?

Choices

  1. A. A new type of fossilized plant.
  2. B. An ancient pathway of early hominins walking upright. ✓
  3. C. A very old secret map.
  4. D. A huge pile of volcanic ash.

Answer: B. An ancient pathway of early hominins walking upright.

From page 1

What special talents did Mary Leakey develop even though she didn't have a university degree?

Choices

  1. A. Singing and dancing for an audience.
  2. B. Drawing maps and riding horses.
  3. C. Meticulous excavation and precise artistic rendering of stone tools. ✓
  4. D. Playing musical instruments and writing stories.

Answer: C. Meticulous excavation and precise artistic rendering of stone tools.

From page 2

Why was Olduvai Gorge a very important place for studying early human history?

Choices

  1. A. It was a beautiful place for vacations.
  2. B. Its unique geology preserved millions of years of history like a natural archive. ✓
  3. C. It had many different types of trees.
  4. D. It was the only place with old rocks.

Answer: B. Its unique geology preserved millions of years of history like a natural archive.

From page 3

How did discoveries in East Africa change what scientists thought about human evolution?

Choices

  1. A. They made scientists believe humans evolved in a perfectly straight line.
  2. B. They showed that early humans only lived in South Africa.
  3. C. They suggested a much more complex and 'bushy' family tree for humans. ✓
  4. D. They proved that early humans never walked upright.

Answer: C. They suggested a much more complex and 'bushy' family tree for humans.

From page 4

What was special about the Zinjanthropus boisei skull fragments Mary Leakey found?

Choices

  1. A. It was a tiny skull that fit in her pocket.
  2. B. It had massive jaws and was different from any known hominin before. ✓
  3. C. It looked exactly like a modern human skull.
  4. D. It was made entirely of precious gems.

Answer: B. It had massive jaws and was different from any known hominin before.

From page 5

Besides finding fossils, how did Mary Leakey make a big difference in science?

Choices

  1. A. She wrote many popular adventure books.
  2. B. She invented a new type of shovel.
  3. C. She set new, very careful standards for how scientists should dig and record their findings. ✓
  4. D. She taught people how to climb mountains.

Answer: C. She set new, very careful standards for how scientists should dig and record their findings.

From page 8

What new understanding did Mary Leakey's discoveries bring about human evolution?

Choices

  1. A. That humans only started evolving very recently.
  2. B. That all early humans were exactly the same.
  3. C. That the human family tree was more complex and diverse, with multiple species coexisting. ✓
  4. D. That humans evolved outside of Africa.

Answer: C. That the human family tree was more complex and diverse, with multiple species coexisting.

From page 9

What qualities helped Mary Leakey make her amazing discoveries?

Choices

  1. A. Being very fast and strong.
  2. B. Relentless curiosity, scientific rigor, and unwavering dedication. ✓
  3. C. Having a magic crystal ball.
  4. D. Always wearing a funny hat.

Answer: B. Relentless curiosity, scientific rigor, and unwavering dedication.

From page 10