Matching
Examine the figure below and match each term with the letter to which it best corresponds. 
-First opening of the embryo becomes a mouth and the second becomes an anus.
Definitions:
Land Under Cultivation
Land that is actively used for the production of crops and agricultural goods.
Cross-Price Elasticity
A measure of how the quantity demanded of one good responds to a change in the price of another good.
Substitutes
Goods or services that can be used in place of each other, where an increase in the price of one leads to an increase in demand for the other.
Price Inelastic Demand
A situation where the quantity demanded of a good does not change significantly in response to changes in its price.
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