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S-shaped growth Flowers

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dA / dt = r * A * (K-A) / K If A<<K then (K-A) / K ~1 And we have exponential growth Logistic Equation r net growth rate for non-stressed growth K carrying capacity Ao initial population (or Area)

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dA / dt = r * A * (K-A) / K = r*A - r*A*(A/K) If A<<K then (K-A) / K ~1 And we have exponential growth

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r net growth rate for non-stressed growth K carrying capacity Ao – initial population (or Area)

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S-shaped growth FlowersVerifys

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Problems with Logistic Equation Simple One example of s-shaped growth The linear decrease in growth rate is often not true in real life. The logistic equation fails to highlight the mechanisms responsible for limited growth. i.e. is it a decrease in birth rate or an increase in death rate.

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Sales of Widgets Stella

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth Growth rate=rate*(1-stock/100)

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth Growth rate=rate*(1-stock/100)

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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A.Exponential growth B.Exponential decay (goal seeking) to zero C.Exponential decay (goal seeking) to a non- zero level D.S-shaped growth

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The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 80? A.Series 1 B.Series 2 C.Series 3 D.Series 4

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The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 80? A.Series 1 B.Series 2 C.Series 3 D.Series 4

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A.Series 1 B.Series 2 C.Series 3 D.Series 4 The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 80 and an intrinsic growth rate of 5 %?

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A.Series 1 B.Series 2 C.Series 3 D.Series 4 The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 80 and an intrinsic growth rate of 5 %?

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The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 100 and an initial value of 4? A.Series 1 B.Series 2 C.Series 3 D.Series 4

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The graphs above used growth rates of 5 or 10% and carrying capacities of 100 or 80. Which of the series have a carrying capacity of 100 and an initial value of 4? A.Series 1 B.Series 2 C.Series 3 D.Series 4

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