Basically because the flu shot is a stream of the flu. And when your body gets injected with it. It helps your body to become immune or able to fight the flu off quickly because you have had a little of the flu in you already.
I hope that made sense.... <span />
b. Natural selection is an example of the major mechanism by which evolution occurs
Explanation:
The concept of evolution are both closely related in that natural selection is the major mechanism by which evolution occurs. This was proposed by Charles Darwin after his journey to the Galapagos Island on the HMS Beagle.
- Evolution is the change in the characteristics of an organism over several generations.
- Organisms evolved to in order to be at an advantage and naturally favored.
- According to Charles Darwin, organisms evolved by the process of natural selection.
- Natural selection is the process by which an organism becomes adapted to its environment.
- Organisms with desirable trait are naturally favored with competitive and reproductive advantage in the environment.
Learn more:
Evolution brainly.com/question/6912833
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