Shown is a table of the results of a study of grasshoppers showing frequencies of different size classes, along with the average number of offspring these individuals produce. 
Assuming that size is a heritable trait (and that the number of offspring is a good proxy for the fitness of the phenotype) , which type of selection is operating in this population?
Definitions:
Federal Question
A question that pertains to the U.S. Constitution, acts of Congress, or treaties. A federal question provides a basis for federal jurisdiction.
American Governmental System
Refers to the federal structure of the United States government, characterized by a division of powers among the executive, legislative, and judicial branches.
Congress
Congress is the national legislative body of a country, particularly in the United States, where it consists of two houses: the Senate and the House of Representatives.
Amount of Business
The volume or quantity of commercial activity conducted within a specific period by an entity.
Q42: Suppose that in a group of flies
Q45: Which statement about metabolomics is false?<br>A) The
Q92: Which trait would be least useful in
Q126: If the hybrids of two salamander species
Q135: Which sequence is a palindromic recognition sequence?<br>A)
Q144: Species A and B have long wings,
Q169: The lineage species concept could be represented
Q180: In comparing microarrays with other methods that
Q206: In scientific terms, the word "_" refers
Q238: Smallest in size of the general classes