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Lab 4: Sexual Dimorphism and Variation in Sexually Selected Traits

By kylaboehm | Updated: Nov. 5, 2024, 5:20 p.m.

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Lab 4 Media Assignment

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Sexual Selection and Dimorphism:

In Natural 
Populations 
What is the purpose of the study? 
?
?
?
?
?
Objective 1: Evaluate the magnitude of Variation in Sexually Selected Traits (claw length of crawfish)

Objective 2: Evaluate if there is sexual dimorphism in natural populations (claw length of crawfish) 
Here's How we Assesed our Objectives! 
Identify the sex of the crawfish using
the appendages or seminal opening 
Measured Claw Length using calipers 
to the nearest 0.1mm
(measured the  propodite)  
Collect 3 crawfish each from class 
sample 
Entered our data into a class 
spreadsheet 
Ran a statistical test using R-Studio
The results found variance in standardized male crawfish claw size 
Findings
Variation in Claw Size 
The results found that male crawfish claw length is significantly longer than female claw length
Findings 
Sexual Dimorphism 
What do our findings suggest?
?
?
?
?
?
Objective 1: Evaluate the magnitude of Variation in Sexually Selected Traits (claw length of crawfish)

Objective 2: Evaluate if there is sexual dimorphism in natural populations (claw length of crawfish)

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