Clayton and Colleagues Discovered the Relationship Between Feather-Louse Size and the Body

question 6

Multiple Choice

Clayton and colleagues discovered the relationship between feather-louse size and the body mass of their corresponding bird hosts illustrated in the figure below.What do the authors hypothesize about the mechanism of cospeciation in doves and lice from this relationship?

• A)Lice are unlikely to switch to hosts that differ in body size from their original host.
• B)Lice will tend to shift to the larger host regardless of their own size.
• C)Larger lice are always better at holding onto their hosts.
• D)Smaller lice are always better at evading the preening attempts than large lice species.

---

Definitions:

Abstraction

The process of reducing complexity by focusing on the essential characteristics of something, ignoring irrelevant detail.

Processes

Sequences of actions or steps taken in order to achieve a particular end.

Shorthand

A method of rapid writing by using symbols or abbreviations for words or phrases, traditionally used for taking notes or transcribing speeches.

Symbols

Are concrete objects or abstract terms that represent something else.