Two Bird Species Overlap in a Hybrid Zone

question 44

Multiple Choice

Two bird species overlap in a hybrid zone.They are isolated by a slight difference in the male songs and by the females' tendency to select males with the "correct" song.Hybrid offspring tend to have reduced fertility compared to either of the parent species.What effect might natural selection have in this situation?

• A)Natural selection could lead to the stronger of the two species taking over and eliminating the other species.
• B)Natural selection could lead to the hybrid species taking over and eliminating the weaker parent species.
• C)Natural selection might favor males with more distinctive calls and/or females that are more "choosy." As a result,the reproductive barrier between the two species could be reinforced.
• D)Natural selection might favor males with less distinctive calls and/or females that are less "choosy."

Gain knowledge on how disaccharides interact with chemical tests like Tollin's test.

Identify and differentiate types of glycosidic linkages in carbohydrates.

Learn the structural elucidation methods for carbohydrates using chemical reactions (e.g., Ruff degradation, Kiliani-Fischer synthesis) and their interpretation.

Recognize the natural occurrence and structural features of bioactive compounds like soyasaponin and their aglycones.

---

Definitions:

Commitment

An obligation or pledge to do something in the future, such as a promise made by a person or an institution to undertake certain actions.

Financing Statement

A document filed to give public notice typically of a secured transaction involving personal property, which helps establish the priority of the filer's interest in the property.

Collateral

Assets pledged by a borrower to secure a loan or guarantee repayment, which can be seized in case of default.

Creditor's Name

The name of an individual or entity to whom money is owed or who has provided credit to another party.