Better AP Environmental Science assignments

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46.7
What are the main characteristics of r-selected species?
Instructor solution
Learning resources
Instructor answered
R-selected species are those that emphasize high growth rates, typically exploit less-crowded ecological niches, and produce many offspring, each of which has a relatively low probability of surviving to adulthood.
You answered
High birth rates, many don't survive

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Class Outline

  • 9
    units
  • 39
    mastery quizzes
  • 9
    adaptive reviews
Unit 1 - The Living World: Ecosystems
  • Unit 1 - The Living World: Ecosystems
  • Unit 2 - The Living World: Biodiversity
  • Unit 3 - Populations
  • Unit 4 - Earth Systems and Resources
  • Unit 5 - Land and Water Use
  • Unit 6 - Energy Resources and Consumption
  • Unit 7 - Atmospheric Pollution
  • Unit 8 - Aquatic and Terrestrial Pollution
  • Unit 9 - Global Change
  • Unit 1, Quiz 1 - Intro to Ecosystems, Terrestrial and Aquatic Biomes
    Mastery Quiz
  • Unit 1, Quiz 2 - The Carbon and Nitrogen Cycles
    Mastery Quiz
  • Unit 1, Quiz 3 - The Phosphorus and Hydrologic Cycles
    Mastery Quiz
  • Unit 1, Quiz 4 - Primary Productivity and Trophic Levels
    Mastery Quiz
  • Unit 1, Quiz 5 - Energy Flow, Food Chains, Food Webs, and the 10% Rule
    Mastery Quiz
  • Unit 1 Review - The Living World: Ecosystems
    Review Assignment

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46.7
What are the main components of an ecosystem and how do they interact with each other?
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Mastery quizzes to turn assessments into learning experiences.

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What can be inferred from a steep dose-response curve?
  • A.
    A small increase in dose leads to a large increase in toxic effect.
  • B.
    The pollutant is not very toxic.
  • C.
    A large increase in dose is needed to see a significant increase in toxic effect
  • D.
    The pollutant is evenly distributed in the environment.
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