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UNIT 2 BIODIVERSITY

2.1 Introduction to Biodiversity

  • 2.1a Explain the three levels of biodiversity and their importance to ecosystems.
  • 2.1b Explain the impact of environmental stress on the biodiversity of a population of species.
  • 2.1c Explain how habitat loss affects species differently based on habitat biodiversity.
  • Textbook correlation Chapter 1, Modules 1 and 2; Chapter 3, Module 8; Chapter 5, Modules 14-15 and 17

2.2 Ecosystem Services

  • 2.2a Explain the environmental worldviews that place value on ecosystem services.
  • 2.2b Describe and compare the four categories of ecosystem services.
  • Textbook correlation Chapter 1, Module 2; Chapter 10, Module 29; Chapter 18, Module 59; Chapter 20, Module 65

2.3 Island Biogeography

  • 2.3a Explain the impact of habitat fragmentation on species diversity and habitat biodiversity.
  • 2.3b Provide examples of habitat fragmentation on a large scale and its impact on species diversity and habitat diversity.
  • 2.3c Provide an example of a local investigation involving a field study to measure the impact of habitat loss on biodiversity.
  • Textbook correlation Chapter 6, Module 21

2.4 Ecological Tolerance

  • 2.4a Explore ecological tolerance, the range of conditions such as temperature, salinity, and flow rate that an organism can endure before injury or death results.
  • 2.4b Demonstrate how ecological tolerance determines species distribution. We will practice dentifying an author’s claim from a reading passage.
  • Textbook correlation Chapter 5, Module 17

2.5 Natural Disruptions to Ecosystems

  • 2.5a Natural Earth processes can occur quickly or over long periods of time. This video will describe patterns or trends in data that show changes in Earth’s climate over geologic time.
  • 2.5b Explore how natural disruptions can lead to animal migration. Migration is an adaptive response that is usually triggered by seasonal changes in resources.
  • Textbook correlation Chapter 3, Module 8; Chapter 18, Module 61; Chapter 19, Module 63

2.6 Adaptations 

  • 2.6a Explore how organisms adapt to changes in their environment through incremental changes at the genetic level.
  • 2.6b Examine data to show how environmental changes may threaten a species’ survival, requiring individuals to alter behavior, move, or perish.
  • Textbook correlation Chapter 5, Module 15

2.7 Ecological Succession

  • 2.7a Compare and contrast primary and secondary succession. We will examine how indicator species and keystone species are important in understanding ecosystem structure.
  • 2.7b Explain how ecological disturbances can set the stage for species to move into the habitat and adapt to the new conditions.
  • Textbook correlation Chapter 6, Module 21; Chapter 14, Module 41

 

Unit 2 - Biodiversity

Timeline (per College Board): 7 block periods - 6-8% AP Exam Weighting

AP Central Videos: A single point is assigned for each video (Lab & Classwork category). Students earn this point if they have watched the videos at 80% completion before the review presentation.

It is an expectation that students take their own notes during the lessons.

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