There are many real-world examples of the impact of natural selection in animals throughout the animal kingdom. Such mutations giving the organism a competitive advantage.Įxamples of Natural Selection Examples in Animals Practically speaking, natural selection occurs when mutations (changes) to an organism's DNA are advantageous. This idea is the cornerstone behind Charles Darwin's theory of evolution. This idea that species change over time in order to survive in their environment is what natural selection is. Why? Because offspring will develop traits or characteristics that predispose them to do well in their natural environment.As a result, the species will change over time.As offspring are born, they will have the advantageous genetic traits passed on from their parents.Those that can adapt are much more likely not just to survive, but also to thrive and reproduce.Organisms that are unable to adapt to changes in the environment are unlikely to survive or reproduce.
Natural selection occurs when traits that predispose organisms to survive in an environment are passed from parents to their offspring. Natural selection can be defined as the process through which species adapt to their environment in order to survive.
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