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Ecological Tolerance

Jack Wilson

Jack Wilson

6 min read

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Study Guide Overview

This study guide covers ecological tolerance, focusing on how environmental factors influence species survival and reproduction. Key concepts include tolerance ranges, abiotic/biotic factors, and the effects of stress from conditions outside optimal ranges. The guide also connects tolerance to biodiversity, climate change, and pollution, providing practice questions and exam tips.

Ecological Tolerance: Finding the 'Just Right' Conditions

Introduction

Just like Goldilocks searching for the perfect porridge, chair, and bed, organisms thrive when their environment meets their specific needs. This concept is known as ecological tolerance. It's all about the range of environmental conditions in which a species can survive and reproduce. Let's dive in!

Key Concept

Ecological tolerance is a key concept for understanding species distribution and abundance. It's not just about survival, but also about thriving and reproducing.

Key Vocabulary

  • Tolerance: The ability of an organism to survive and reproduce under a range of environmental conditions.
  • Intolerance: The inability of an organism to survive or reproduce under certain environmental conditions, often leading to stress, reduced reproduction, or death.
  • Environmental Factor: Any condition in an environment that can affect the survival, growth, or reproduction of an organism. This could be anything from temperature and water availability to the presence of predators or competitors.
  • Stress: A condition where an environmental factor is outside an organism's optimal range, forcing it to expend energy on survival rather than reproduction.

The Goldilocks Principle

Think of ecological tolerance as the 'Goldilocks Zone' for a species. There's a range of conditions where things are 'just right'. Too much or too little of an environmental factor can lead to stress and intolerance.

Memory Aid

Remember the Goldilocks story! Organisms, like Goldilocks, need conditions that are ‘just r...

Question 1 of 12

What does ecological tolerance primarily describe for a species? 🤔

Its ability to migrate long distances

Its preference for specific resources

Its ability to survive and reproduce under a range of environmental conditions

Its capacity to evolve rapidly