Three billion years ago, Earth's atmosphere was very different. It included the gases methane and ammonia. If scientists found a
new planet outside our solar system that had an atmosphere similar to Earth's three billion years ago, what kingdom's organisms would you expect the new planet's organisms to resemble?
Genetic diversity is important because it could ensure that certain groups of individuals, species, or populations will be able to adapt to certain environmental factors. Thus, genetic variation helps the species in terms of its adaptability, survival, and its evolution
