Examlex
The monarch butterfly has an undesirable taste and the viceroy butterfly has a selective advantage because it looks like the monarch. This is an example of ____.
Substitute Goods
Products that can serve as replacements for each other; demand for one increases when the price of the other increases.
Cover
To obtain substitute or equivalent goods.
Obsolete
No longer produced or used; out of date.
Bushels of Wheat
A measurement unit for volume, commonly used in agriculture, representing the quantity of wheat.
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