Friday, August 4, 2017
Sunfish
I think the sunfish looks the way it does so that it can more efficiently absorb the rays of the sun when it surfaces. For this reason, it evolved into a flat creature with abundant surface area for Vitamin D. Its fins help it to swim and dive long distances, and its flatness allows it to move through the water easier. I think new species appear because of random genetic mutations that gradually distinguish a new species. Their chance of survival is moderate considering they are helpless to violent seals and their bodily design is clumsy. However, other animals have survived under worse circumstances.
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I love your ideas. It is true that their features help the sunfish to dive and sunbathe. It is also true that a huge genetic mutation might cause a specie change. You mentioned that other animals have survived under worse circumstances, but what if sunfish don't have the capabilities to do so. They might be more vulnerable than the other animals you are referring to.
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