Objectives for the chapter and helpful videos/songs/charts are listed below. This is not an all inclusive list of the content, but it is an excellent place to start or review! The videos are used as a study tool and may cover more or less than what we will cover in class. I will not test you on anything we did not cover in class, unless stated otherwise.

The Ecosystem

The Nature of Ecology 19.1 (Pg. 453-455)

  1. Define ecology and relate it to the term pollution
  2. Describe the typical responsibilities of an ecologist

The Ecosystem Defined 19.2 (Pg. 455-466)

  1. Define ecosystem and give examples
  2. List common abiotic factors and tell how they work together to create different living conditions
  3. Trace the steps of the water cycle
  4. Clarify the relationships between the terms population, biotic factors, and ecosystem
  5. Discuss the three types of survival strategies
  6. Contrast consumers and producers and give examples
  7. Construct a food web for a meadow with at least six organisms, including both plants and animals
  8. Define the seven potential relationships between any two organisms in terms of their impact on one another

The Biosphere

Interactions in the Biosphere 19.3 (Pg. 467-471)

  1. Describe and contrast the concepts of habitat and niche
  2. Trace the steps of the oxygen, carbon, and nitrogen cycles
  3. Compare the nature of matter and energy in the ecosystem
  4. Define and give examples of limiting factors
  5. Use examples to demonstrate the difference between density-dependent and density-independent factors
  6. Explain why logistic growth is preferable to exponential growth when modeling most real populations

Changes in the Biosphere 19.4 (Pg. 471-474)

  1. Contrast pioneer and climax stages of succession by listing several differences
  2. Distinguish between primary and secondary succession

Man in the Biosphere

Man’s Ecological Niche 19.5 (Pg. 475-480)

  1. Describe man’s role in the biosphere at both consumer and manager
  2. Give examples of man’s abuse of his role as consumer-manager

Pollution 19.6 (Pg. 480-485)

  1. Define pollution and discriminate between biodegradable and non-biodegradable forms
  2. Give three ways that pollution originating in one realm (air, water, or soil) might spread to one of the other realms
  3. Describe a reasonable relationship between man and nature

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