"Nothing in biology makes sense except in the light of evolution."

This is one of my favorite evidences for evolution. This evidence is strong, easy to understand, and people can see it with their own eyes. This evidence shows we most definitely have fish ancestors. Uneducated people think this is a ridiculous idea and it's impossible. They prefer the magical creation of species instead of science. They are wrong.

There's countless thousands of other evidences for evolution but this one is very interesting.

Why is the laryngeal nerve in human apes 2 feet longer than necessary and in giraffes 15 feet longer than necessary? That's a good question and evolution explains it.

I found this excellent explanation:

"In biological homology, the laryngeal nerve can be spotted in a wide variety of animals, from fish to mammals. The structures around the nerve and the nerve itself are homologous to each other and so evolutionary theory postulates that animals evolve from others by distortions and changes in these structures. In fish, considered to be more evolutionarily primitive, the nerve heads straight from the brain, down to the larynx. However, in mammals, the structure of the head and development of the neck from fish-like organisms cause the recurrent laryngeal nerve to become 'trapped' under the aortic arch in the thorax. Given a slow and gradual evolution from the biology of a fish to the biology of a mammal, there is no way for the nerve to magically jump from one side of the aortic arch to the other. And so, in mammals the nerve controlling the larynx first delves deep into the chest cavity and then finally up to the larynx."
https://rationalwiki.org/wiki/Laryngeal_...

Here is another explanation from my favorite biologist, Jerry Coyne:

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Even more evidence for evolution comes from the "bad designs" of animals and plants, which, Dawkins observes, look nothing like de novo creations of an efficient celestial engineer. His favorite example–and mine–is the recurrent laryngeal nerve, which runs from the brain to the larynx. In mammals it doesn’t take the direct route (a matter of a few inches) but makes a curiously long detour, running from the head to the heart, looping around the aorta and then doubling back up to the neck. In the giraffe, this detour involves traversing that enormous neck twice–adding about fifteen feet of superfluous nerve. Anyone who’s dissected an animal in biology class will surely agree with Dawkins’s conclusion: "the overwhelming impression you get from surveying any part of the innards of a large animal is that it is a mess! Not only would a designer never have made a mistake like that nervous detour; a decent designer would never have perpetuated anything of the shambles that is the criss-crossing maze of arteries, veins, nerves, intestines, wads of fat and muscle, mesenteries and more."

Creationists often object to this sort of argument, saying that it’s not scientific but theological. God is inscrutable, they claim, so how could we possibly know how he would or would not design creatures? But this misses the point, for the "bad design" we see is precisely what we’d expect if evolution were true. The laryngeal nerve takes that long detour because, in our fishy ancestors, it was lined up behind a blood vessel, with both nerve and vessel servicing the gills. As the artery moved backward during its evolution to the mammalian aorta, the nerve was constrained to move behind it, although its target (the larynx, an evolutionary descendant of the gill arch) remained up in the neck. If you insist that such designs reflect God’s plan, then you must admit that his plan was to make things look as if they had evolved.
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If you watch this video you can see with your own eyes why the laryngeal nerve in giraffes is 15 feet longer than necessary.