What Is True of the Flightless Cormorants of the Galápagos

question 5

Multiple Choice

What is true of the flightless cormorants of the Galápagos Islands?

• A) They are descendants of the same common ancestor that gave rise to the unique finches of these islands.
• B) They are close relatives of flightless cormorants from the Americas.
• C) If they are still able to breed successfully with flying cormorants, it would probably be with North American cormorants, rather than with South American cormorants.
• D) Flightless cormorants on one island have restricted gene flow with those on other islands, which could someday lead to a macroevolutionary event.
• E) Their DNA has low levels of sequence homology with the DNA of flying American cormorants.

---

Definitions:

Lab Experiment

A research study conducted in a controlled environment where variables can be manipulated to observe their effect on various outcomes.

Behavior Modification

The direct and systematic application of principles of learning to change maladaptive or unwanted behaviors into more desirable behaviors.

Reciprocal Determinism

A theory proposed by Albert Bandura that suggests human behavior, personal factors, and the environment continually interact and influence each other.

Extinction

The process through which a conditioned response diminishes over time as it is no longer reinforced.