Which of the Following Activities Occurs First in Order to Begin

question 37

Multiple Choice

Which of the following activities occurs first in order to begin speciation?

• A) single gene change
• B) formation of mechanical barrier to reproduction
• C) postzygotic hybrid sterility in Drosophila
• D) interruption of gene flow between two populations

---

Definitions:

Consumer Surplus

The discrepancy between the sum consumers are ready and capable of paying for a service or product and the sum they actually spend.

Producer Surplus

The discrepancy between what producers anticipate accepting for a good or service and what they end up being paid.

Imported Units

Refer to products or goods brought into a country from another for sale or use.

Total Surplus

The combined total of consumer and producer surplus, signifying the overall net advantage to society derived from a market transaction.