Question: An entomologist models pollen transfer efficiency as $ a(a + b) = 120 $, where $ a $ is pollinators and $ b $ is flowers. If $ a = 5 $, find $ b $. - Parker Core Knowledge
Question: An entomologist models pollen transfer efficiency as $ a(a + b) = 120 $, where $ a $ represents the number of pollinators and $ b $ represents the number of flowers. If there are 5 pollinators ($ a = 5 $), how many flowers ($ b $) optimize pollen transfer?
Question: An entomologist models pollen transfer efficiency as $ a(a + b) = 120 $, where $ a $ represents the number of pollinators and $ b $ represents the number of flowers. If there are 5 pollinators ($ a = 5 $), how many flowers ($ b $) optimize pollen transfer?
Understanding the Model: Pollen Transfer Efficiency
Understanding the Context
In ecological studies, modeling pollen transfer is crucial for understanding plant reproduction and pollinator dynamics. One such model uses a mathematical equation to quantify efficiency:
$$ a(a + b) = 120 $$
Here, $ a $ denotes the number of active pollinators (e.g., bees, butterflies), and $ b $ represents the number of flowers in a given habitat. The goal is to determine the optimal number of flowers ($ b $) needed when the number of pollinators is known.
Substituting Known Values
Given $ a = 5 $, substitute into the equation:
$$
5(5 + b) = 120
$$
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Key Insights
Now solve step-by-step:
-
Distribute the 5 across the parentheses:
$$
25 + 5b = 120
$$ -
Subtract 25 from both sides to isolate the term with $ b $:
$$
5b = 120 - 25 = 95
$$ -
Divide both sides by 5:
$$
b = rac{95}{5} = 19
$$
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Interpreting the Result
When there are 5 pollinators, the model predicts that flowering 19 plants maximizes pollen transfer efficiency according to the given equation. This point balances pollinator availability and floral availability to achieve optimal cross-pollination.
Why This Matters in Entomology and Ecology
This simple algebraic model helps researchers estimate how changes in pollinator populations or floral abundance impact ecosystem productivity. Entomologists use such equations to guide conservation strategies, agricultural planning, and habitat restoration efforts.
Final Answer
Given $ a = 5 $, the number of flowers that optimizes pollen transfer is $ b = 19 $.
Want More?
Explore how modifying $ a $ or $ b $ alters efficiency curves or dive deeper into pollination models used in real-world ecological predictions.
