My Little Biosphere Ecosystem Game
Chapter 1

The thermostat inside you

Chapter 2

Earth as a living machine

Chapter 3

The magic of Daisyworld

Chapter 4

Nature's wild balance

Chapter 5

Tipping points and broken loops

YOUR GOAL

Master of How life keeps its cool

Ch 2 · Earth as a living machine
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007skaty Microbiology and the Gaia theory of planetary regulation

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007skaty Earth as a Living Machine

A living machine: she heals, she recycles, she renews!

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True stability is not a state of rest, but of constant, active adjustment.

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007skaty Living organisms actively regulate the delicate balance of oxygen in Earth's atmosphere.

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The oxygen sweet spot

007skaty Photosynthesis produces oxygen while respiration and weathering consume it, preventing catastrophic global wildfires or widespread animal suffocation.

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The microbial co-pilot

007skaty The microbial co-pilot steers planetary systems in a vibrant, hand-drawn educational diagram.

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My Little Biosphere
BETA

007skaty Balance your dome's resources to discover how self-regulating ecosystems survive.

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Fun Fact

Mars search: The Gaia hypothesis was born because James Lovelock noticed Mars's atmosphere was in chemical dead-end equilibrium, unlike Earth's dynamic mix.

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Gossip

Is Earth actually alive?

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Quiz

What is the average salinity of Earth's oceans, kept stable for millions of years by self-regulation?

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007skaty The scientific origin of the Gaia hypothesis.

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Quiz

Which planetary system is NOT typically considered part of the tightly coupled Gaia feedback loop?

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007skaty Biological and geological systems regulate Earth's ocean salinity.

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Quiz

Which evolutionary biologist co-developed the Gaia hypothesis, focusing on the role of microorganisms?

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Quiz

What percentage of Earth's atmosphere is currently made of oxygen, the ideal balance for life?

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Quiz

Why did scientists first criticize the Gaia hypothesis as being teleological?

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Quiz

Who first proposed the Gaia hypothesis in the 1960s while working with NASA?

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Quiz

How did novelist William Golding contribute to the Gaia theory?

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Quiz

What planetary feature did James Lovelock study to determine if Mars had life?

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