Use the following to answer question: 
-(Table: Competitive Market for Good Z) Use Table: Competitive Market for Good Z.If the demand curve for good Z is linear,it can be expressed as:
Definitions:
Net Fitness Effect
The overall impact of an allele or trait on an organism's reproductive success and survival across its lifespan.
Allele
One of any number of alternative forms of the DNA sequence of the same locus.
Ray-Finned Teleost
A group of fish, characterized by their fin structure, which is supported by bony spines known as rays.
Astyanax
A genus of small freshwater fish widely used in scientific research, particularly in studies of development and genetics.
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