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what are the options?
may I get brainliest please?
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Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.
<span>Fossil record, genetics, and examples of local adaptations all support the theory of evolution by natural selection.</span>
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B. more soldies who had lost a limb returned home
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment and are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
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