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Use the Following Information to Answer the Question(s) Below

question 4

Multiple Choice

Use the following information to answer the question(s) below.
Martin Wikelski and L. Michael Romero (Body size, performance, and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]: 376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different-size classes for males and females.
-Currently, the only predators of Galápagos marine iguanas are Galápagos hawks. Iguana body size is not correlated with risk of hawk predation, although small iguanas can sprint faster than large iguanas. If predators (for example, cats) that preferentially catch and eat slower iguanas are introduced to the island, iguana body size is likely to ________ in the absence of other factors; the iguanas would then be under ________ selection.

Definitions:

Intermediary

Entities or individuals that act as a mediator or a link between two parties, typically in a transaction or communication process.

Legal Authority

The officially sanctioned power to make decisions, to direct others, or to enact laws or directives.

Manufacturer

An entity or business that produces goods on a large scale using raw materials and various processes, typically involving machinery and labor.

Marketing Channel

Pathways that products and services follow from producers to consumers, including intermediaries like wholesalers and retailers.