David Attenborough's Galapagos - Origin

Season 01
Episode 01
Duration 52:12
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⭐ Interactive Lesson ⭐
Interactive Science Lesson

Galapagos: Origin

Based on David Attenborough · Galapagos, Part 1 of 3 · 50 min

How did penguins end up living on the equator? How do tortoises cross 600 miles of open ocean? Discover how volcanic islands, ocean currents, and trade winds built one of the most extraordinary ecosystems on Earth.

Step 1 of 8 · Engage
Engage

How Did Life Reach the World's Most Isolated Islands?

Explore

Put Your Instincts to the Test

Think about what you already know about islands, animals, and survival. Pick an answer for each question, then see if your instincts were right.

A beetle species arrives on a volcanic island by riding the trade winds. Over many generations, what happens to its wings?
A plant seed lands on bare volcanic rock where there is no soil and no rain. What happens?
The Galapagos has many reptiles and birds, but almost no mammals. Why?
Explain

Understanding the Science

Tap each card to reveal the explanation. These are the scientific processes that built the Galapagos.

Key Concepts

Hotspot Volcanism

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Tectonic Plate Movement

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Trade Wind Dispersal

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Ocean Dispersal

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Ballooning

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Natural Selection

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Ocean Currents

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Marine Food Web

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Try It: Island Colonisation Simulator

Watch a volcanic island emerge and see how different species colonise it over time. Click each species to send it across the ocean. Herbivores will only survive if vegetation is already established.

Species: 0 / 5
Custom simulation by Seriously Scientific. Species arrive only if conditions are right: vegetation must exist before herbivores can survive.
Natural History

Wildlife of the Galapagos

Meet the extraordinary animals and plants featured in this episode. Tap each card to discover their story.

Giant Tortoise

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Marine Iguana

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Galapagos Penguin

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Flightless Cormorant

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Blue-footed Booby

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Scalesia

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Waved Albatross

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Whale Shark

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Elaborate

Apply Your Knowledge

Use what you have learned from the documentary to connect each species to the way it first reached the Galapagos.

Match the Species to Its Journey

Click a species to select it, then click the matching description to place it.

Species
Giant Tortoise
Ballooning Spider
Galapagos Penguin
Scalesia
Seed blown across 600 miles of ocean by trade winds
Rode silk threads into the trade winds at thousands of metres altitude
Floated on ocean currents, surviving months without food or water
Carried north from Antarctica by the cold Humboldt Current

Real-World Challenge

Imagine a new volcanic island has just emerged from the ocean near the Galapagos. It is completely bare rock with no soil, no fresh water, and no living things. Based on what you learned from this documentary, describe the first five things that would need to happen before giant tortoises could survive there. Think about what needs to arrive first and why the order matters.

Conservation

Protecting the Galapagos Today

The Galapagos remain one of the most carefully protected ecosystems on Earth, but they face serious threats. Tap each challenge to learn what is being done.

Science Update

What Has Changed Since This Documentary Aired

This documentary was first broadcast in 2013. While David Attenborough's explanations remain scientifically accurate, some exciting new discoveries have been made since.

Evaluate

Test Your Understanding

Answer these questions and get instant feedback. How many can you get right?

Reflection

David Attenborough describes the Galapagos as "nature's greatest experiment." After everything you have learned, what do you think he means by that? Can you think of any other places on Earth where similar experiments might be happening?