Flowers, like the ones in the figure below, display spectacular colors, shapes, and odors, in combination with food rewards such as nectar, in order to convince pollinating animals to visit several flowers of the same species to transfer pollen for reproduction. 
How might a flower be specialized to attract hummingbird pollinators (above right) and discourage insect pollinators (above left) ?
Definitions:
NPV Analysis
A method of calculating the present value of an investment's expected cash flows minus the initial investment cost to assess profitability.
Externalities
The unintended positive or negative consequences of an economic activity on unrelated third parties.
Greenhouse Gas Emissions
The release of gases into the atmosphere that trap heat, leading to global warming and climate change.
Dissipation Rate
The rate at which an economic benefit is eroded or diminished over time, often used in environmental economics and resource management.
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