Except in Cases of Polyploidy, Sympatric Speciation Usually Requires the Action

question 64

Short Answer

Except in cases of polyploidy, sympatric speciation usually requires the action of _______ selection.

---

Definitions:

Revenue Decrease

A decline in the amount of money received from sales or services over a certain period.

Ethanol Imported

Refers to ethanol (a biofuel) that is bought from foreign producers and brought into a country’s borders, often used as an additive in gasoline.

Consumer Surplus

The contrast between the total expenditure consumers are willing to make on a good or service and the total expenditure they actually make.

Producer Surplus

The difference between what producers are willing to sell a good for and the actual price they receive, representing profit.