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Understanding Ecosystem Carrying Capacity and Limiting Factors in Nature

This lesson focuses on the ecosystem's dynamics, including the daily seed production and its implications for bird populations. We explore the carrying capacity for birds based on seed availability, differentiate between density-dependent and density-independent limiting factors, and provide examples for each. Additionally, students will identify biotic and abiotic factors impacting their local ecosystem, fostering a deeper understanding of ecological balance and population dynamics. This engaging learning experience will culminate with assessments and discussion on growth patterns in populations.

anne-lott
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Understanding Ecosystem Carrying Capacity and Limiting Factors in Nature

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Presentation Transcript

  1. Seats: period1

  2. Seats: period 5

  3. Catalyst 4 minutes! • An ecosystemproduces 50 seeds daily. If a bird eats 10 seeds per day, what is the ecosystem’scarrying capacity for birds? • Describe the difference between density dependent and density independent limiting factors. • Give 1 example of a DD factor and 1 example of a DI factor. • Name 3 biotic and 3 abiotic factors in the ecosystem below.

  4. 100.B • 1: Raise a hand • 1: Demonstrate North Star traits • Problem solver • Goal driven • 3: 100% seated before the bell • 3: “Ready for your attention” • 3: Lab / activity clean up • 5: 100% on task during practice • 5: 80% exit ticket average Headphones on Friday!

  5. 100.B love it or hate it! hot seat ! head phones ! hot seat ! music ! hot seat ! head phones ! head phones ! head phones !

  6. unit 7: ecology

  7. Objectives • Agenda • Catalyst 5 • Limiting Factors DD vs. DI 10 • Independent Practice 5 • Limiting Factors Graph 25 • Exit Ticket 5 • We are learning to… • explain how birth, death, immigration, and emigration influence population size • We will be successful when we can… • explain how populations grow using both exponential and logistic growth patterns science genius!

  8. Test Score WARS Period 1 77% Period 5 84% corrections due FRIDAY! Andre ! Melody!

  9. Investigation 14 minutes! Question: What types of factors limit the carrying capacity of the system in the Cedar Glade ecosystem? Hypothesis: The following limiting factors affect the carrying capacity ______________________ Counter: counts beans collected & scatters beans between scenarios Recorder: reads scenario aloud & records beans collected Owl #1: tosses square & collected beans inside square Owl #2: tosses square & collected beans inside square

  10. Turn it in  homework due YESTERDAY!

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