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Age of the Universe and Evolution

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Questions and Answers

What was the first living thing on Earth?

Bacteria (correct)

Mammals

Amphibians

Fish

Approximately how long ago did the dinosaurs go extinct?

13.6 billion years ago

4.6 billion years ago

65 million years ago (correct)

5 billion years ago

What is the estimated age of the universe?

5 billion years

4.6 billion years

13.6 billion years (correct)

65 million years

Which of these organisms evolved after the extinction of the dinosaurs?

<p>Birds (C)</p> Signup and view all the answers

Which of these statements is false?

<p>The Earth is older than the Universe. (C)</p> Signup and view all the answers

Flashcards

Age of the Universe

Estimated to be between 13-16 billion years old.

Age of the Sun

The Sun is approximately 5 billion years old.

Age of the Earth

The Earth is about 4.6 billion years old.

Descent with Modification

The concept of evolution where species change over time through natural processes.

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Order of Evolution

Sequence of life forms from simple molecules to complex humans.

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Study Notes

Age of the Universe, Sun, and Earth

Universe = 13.6 billion years old
Sun = 5 billion years old
Earth = 4.6 billion years old

Order of Evolution

Primordial Soup: Oceans of organic material (no oxygen) gave rise to amino acids
Bacteria (3.5 bya): First living thing; began producing oxygen through photosynthesis
Multicellular Organisms: Simple organisms grouped together
Invertebrates: Jellyfish, crustaceans, insects, slugs, worms.
Fish
Amphibians: Frogs, salamanders
Reptiles: Dinosaurs (went extinct 65 million years ago)
Birds
Mammals
Mankind (2 million years ago):
- Oldest written record ≈ 6000 years or less
- Modern humans existed for 100,000-200,000 years

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Description

Explore the vast timeline of the universe, the sun, and the earth. This quiz covers the order of evolution from primordial soup to the emergence of modern mankind. Test your knowledge on key milestones in the history of life on our planet.