Aim swbat identify the three types of survivorship curves
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Aim: SWBAT identify the three types of survivorship curves PowerPoint PPT Presentation


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Aim: SWBAT identify the three types of survivorship curves. Please Do Now: EITHER finish that question on the back of the reading from yesterday OR 1) What has to be true for a population to grow exponentially? 2) What is carrying capacity?. Agenda. Do Now Lions vs. Buffalo

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Aim: SWBAT identify the three types of survivorship curves

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Aim: SWBAT identify the three types of survivorship curves

Please Do Now: EITHER finish that question on the back of the reading from yesterday OR

1) What has to be true for a population to grow exponentially?

2) What is carrying capacity?


Agenda

Do Now

Lions vs. Buffalo

Survivorship curve

Deer population graphing


How are different life histories represented graphically?

  • With survivorship curves

    • Graph time vs. proportion surviving

    • Three general types of curves

    • Type 1: high survival early in life, then big drop

    • Type 2: steady rate of deaths throughout life

    • Type 3: high mortality early, few individuals live a long time


How do survivorship curves relate to r/K select species?

  • Type 1 roughly equals K select species

  • Type 3 roughly equals r select species


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