Name two difference in traits that might occur in animals of the same species. give an example of each

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The color or pattern in feathers of a male bird 
and the color or patterns in the feathers of a female bird.

1.) Color: The color in the feathers could be brighter or darker

2.) Pattern: The Pattern in the feathers could be straight, zigzag, or unsymmetrical (Oddly patterned- not perfect) 

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Following are the  advantages of the parametric equations: 1) they can be used to graph curves that are not functions, like the unit circle.2) the parameter can be used to represent the quantity that is  useful to  provide us with better information about the graph.3)  it is useful to convert between rectangular equations and parametric equations.with specific reference to chemistry,  parametric equations are employ for solving hydrogen and hydrogen-like ions, quantum mechanically. herein, cartesian coordinates are converted in spherical polar coordinates. the solution obtained, when plotted on spherical polar graph paper, provides visualization of atomic orbital such as s,p,d and f.