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Chapter 18 Introduction to Ecology

Chapter 18 Introduction to Ecology

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Chapter 18 Introduction to Ecology

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  1. Chapter 18Introduction to Ecology

  2. Spiders are useful to its surrounding environment because___________________.

  3. Ecology… • Ecology- Ecologist study patterns and trends in the environment and collecting information about organisms and their environment. • Ex: study Alligators throughout the year to determine how many tags to issue during hunting season.

  4. Interdependence… • All organisms interact with other organisms in their surroundings and with the nonliving portion of their environment. • Their survival depends on these interactions. • Ex: Humans>Oxygen>Plants • Ex: Soil>Rain>Sun>Butterflies>Squash Plant • Ex: Alligators>Burrows>turtle eggs

  5. Effects of Interdependence • Changes in the environment can spread through the network of interactions and affect organisms that appear far removed from the change. • Ex: Summer> Days are longer> More insects present> Eat while in flight> If it’s cold it can deplete their food source>Martin Birds.

  6. Levels of Organization

  7. Presentation Activity • Define in your own words • Give an example. • State why it is important • Speak clearly • Listen closely to your peers