C- Section, also known as a caesarean section.
The purple coloured sea urchins increases as starfish eats other colours, this type of selection represents Disruptive selection.
<h3>
What is Disruptive
selection?</h3>
Disruptive selection is also called diversifying selection, describes changes in population in which extreme values for a trait that are favored over intermediate values.
So we can conclude that purple coloured sea urchins increases as starfish eats other colours, this type of selection represents Disruptive selection.
Learn more about selection here: brainly.com/question/25261401
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I think it’s C or A I’m not sure
Boundary between two air masses of different temperatures and/or humidity levels