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Understanding Population Dynamics: Influencing Factors and Limitations

Learn about the causes of population size changes, factors limiting growth, and the impact of limiting factors on carrying capacity. Explore why populations fluctuate and how scientists monitor population sizes.

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Understanding Population Dynamics: Influencing Factors and Limitations

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  1. EcologyLesson 3 What causes populations to change in size? What factors limit population growth? How do limiting factors affect carrying capacity?

  2. Do Now • What might happen to the size of particular population over time? • Why might populations leave or come? • Why might scientists want to monitor the size of the population?

  3. Essential Question • What causes populations to change in size? • What factors limit population growth? • How do limiting factors affect carrying capacity?

  4. Vocabulary

  5. Summarization Activity Answer the EQ. What causes populations to change in size?

  6. Do Now • Use 4 words from your vocabulary list in a sentence.

  7. Essential Question • What causes populations to change in size? • What factors limit population growth? • How do limiting factors affect carrying capacity?

  8. Assignment • Read pages 14-20. • Complete the graphic organizer.

  9. Do Now • Papers are in your notebook. • Read handout 56. • Complete Science explorer page 58.

  10. Answer the essential questions. • What causes populations to change in size? • What factors limit population growth? • How do limiting factors affect carrying capacity?

  11. 3, 2, 1 3 limiting factors 2 ways populations can change 1 ways that populations are limited

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