Saturday, February 15, 2014

Which characteristic is inherited in fish but learned in humans?

What an interesting question! I think that the best answer is the act of swimming. Fish spend most of their lives swimming as an instinctive behavior. They may appear to "rest" on the bottom of bodies of water, but even then their fins are still gently moving to keep steady. Because fish spend their whole lives in water, swimming as an instinctive behavior certainly gives them an advantage! We humans spend most of our lives...

What an interesting question! I think that the best answer is the act of swimming. Fish spend most of their lives swimming as an instinctive behavior. They may appear to "rest" on the bottom of bodies of water, but even then their fins are still gently moving to keep steady. Because fish spend their whole lives in water, swimming as an instinctive behavior certainly gives them an advantage! We humans spend most of our lives on land, and do not genetically inherit an understanding of swimming. Learning to swim requires good spatial awareness as well as a sense of how to hold breath in our lungs. Some people like to augment their natural swimming skills by using equipment that makes them more fish-like. Have you ever seen a swimmer using flippers on their feet? This helps a swimmer to propel themselves through water. Many people enjoy scuba diving as a hobby, but this requires a special oxygen tank to maintain breathing. Perhaps another inherited trait of fish that humans must learn is how to breathe underwater!

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