What Feature of the Island of Hawaii, After Its Formation

question 63

Multiple Choice

What feature of the island of Hawaii, after its formation, most spurred the rapid speciation of colonizing birds?

• A)diversity of habitats
• B)lack of competitors
• C)climate conditions
• D)abundance of plant food sources
• E)abundance of insects for food

---

Definitions:

Carboxylic Acid

Organic compounds containing a carboxyl group (-COOH), characterized by their acidic properties and widespread occurrence in nature.

13C NMR Spectrum

A representation of the nuclear magnetic resonance of carbon-13 atoms within a molecule, revealing the distinct chemical environments of carbon atoms.

Carbonyl Carbon

The carbonyl carbon is the carbon atom of a carbonyl group (C=O), doubly bonded to an oxygen atom and bonded to two other atoms or groups, which can vary depending on the specific carbonyl compound (e.g., aldehydes, ketones).

Cyclohexylacetic Acid

An organic compound featuring a cyclohexane ring attached to an acetic acid group, used in the synthesis of various pharmaceuticals and chemical products.