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Grade 12 Population Ecology Worksheet with Answers

Grade 12 (US) · Year 13 (UK) · Class 12 (India) · Biology

Unit 3: Ecology & Human ImpactPopulations & EcosystemsNGSS HS-LS2-1

Population growth, limiting factors, carrying capacity and biodiversity. This free high school worksheet has 11 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Population Ecology

Grade 12 · Biology

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Class

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Learning goal: Populations & Ecosystems · NGSS HS-LS2-1

Directions: Read each question carefully and write your answer on the line.

RememberPopulation growth

carrying capacitytimepop.Limiting factors: food, water,space, predators, disease.Births + immigration add;deaths + emigration remove.
  1. 1

    Exponential growth looks like what shape on a graph?

  2. 2

    What happens to a deer population if wolves are removed?

  3. 3

    Logistic growth looks like what shape on a graph?

  4. 4

    What is biodiversity?

  5. 5

    Name a limiting factor for a population.

  6. 6

    What is carrying capacity?

  7. 7

    What is an invasive species?

  8. 8

    Why do ecosystems with more biodiversity recover better?

  9. 9

    What is a population?

  10. 10

    What is ecological succession?

  11. 11

    What is a community?

★ Challenge corner for fast finishers

Why does your breath make fog on a cold window?

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Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/12/ecology_populations

Answer key (click to show)
  1. 1.a J-shaped curve
  2. 2.it grows, then may crash when food runs out
  3. 3.an S-shaped curve
  4. 4.the variety of life in an area
  5. 5.food, water, space, predators or disease (any one)
  6. 6.the largest population an environment can support
  7. 7.a non-native species that spreads and harms an ecosystem
  8. 8.more species can fill roles if some are lost
  9. 9.all the members of one species in an area
  10. 10.gradual change in the species of a community over time
  11. 11.all the populations living in an area
  12. ★water vapor in your breath condenses on the cold glass (challenge corner)

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