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Globe Showing Europe Africa

Unit 1 - Foundations Of Environmental Systems & Societies

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Herb

Unit 2 - Ecosystems & Ecology

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Flexed Biceps

Unit 3 - Biodiversity & Conservation

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Writing Hand

Unit 4 -Water & Aquatic Food Production Systems & Societies

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Deciduous Tree

Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies

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Cloud

Unit 6 - Atmospheric Systems & Societies

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Thermometer

Unit 7 - Climate Change & Energy Production

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Briefcase

Unit 8 - Human Systems & Resource Use

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Bar-Chart

Internal Assessment

Put on your explorer hat, and let&#39;s delve into the intriguing world of Environmental Systems and Societies! One treasure we&#39;ll find there is the &quot;negative feedback&quot; mechanism, a secret agent keeping everything balanced. It&#39;s like a superhero, swooping in whenever things start tipping too far to one side to restore order. Sounds cool, right? Let&#39;s unpack this!

<ol>
	<li>Imagine a lush, bustling woodland. More trees seem great at first, but then they all start competing for sunlight. Some seedlings don&#39;t grow, some older trees die. It&#39;s chaos! But, guess what? Negative feedback, like a superhero, steps in to restore balance.</li>
</ol>

Example: It&#39;s like a seesaw. Too many trees go up (through reproduction), negative feedback pushes down (through competition and tree deaths), and voila! We have balance again in our woodland playground.

Negative feedback is the acrobat of natural systems. It balances the system on a tightrope. Any shift, any wobble, and it springs into action, doing its daring flips and turns to bring everything back to equilibrium. It&#39;s a breathtaking performance

Some systems are like a drama-filled soap opera, with both positive and negative feedback in play. For instance, human population growth. More people lead to more children (applause for positive feedback), but this also means fewer resources, more deaths, and lower survivorship (enter the villain, negative feedback).

Example: Imagine a blockbuster movie premiere. As more people pour in, the excitement escalates (positive feedback). But wait, the popcorn is running low, and the queues are insane (negative feedback). The plot thickens!

Feedback systems are the unsung heroes in nature&#39;s epic saga. They maintain balance and prevent disasters in natural systems, just like in climate change scenarios and predator-prey relationships.

Example: Imagine our feedback systems as Avengers. When Earth faces a climate crisis, they activate their powers to combat the warming, like when Captain Cloud provides shade or when Ocean absorbs the excess heat.

Feedback mechanisms, particularly negative feedback, are like the equilibrium Avengers, ensuring our planet stays stable and harmonious. They play crucial roles in various natural systems, from woodlands to human populations. Understanding them helps us tackle environmental issues and root for a sustainable planet.

Balance: Secrets of Nature's Feedback

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Standard Level

Environmental Systems & Societies SL

Unit 1 - Foundations Of Environmental Systems & Societies

Balance: Secrets of Nature's Feedback

Table of content

Introduction

Negative feedback - the guardian of the woodlands

The balancing act

Unlock the Full Content!

Unit 1 - Foundations Of Environmental Systems & Societies

Balance: Secrets of Nature's Feedback

Table of content

Introduction

Negative feedback - the guardian of the woodlands

The balancing act

Unlock the Full Content!