Answer:
Explanation:
Like natural selection, artificial selection acts by allowing differential reproductive success to individuals with different genetically determined traits in order to increase the frequency of desirable traits in the population.
Answer:
a) produced the oxygen in the atmosphere
Explanation:
- Prokaryotes are likely to first form of life on earth and they existed billions of years ago before animals and plants.
- As these prokaryotes can do photosynthesis so there most important function is produce oxygen in atmosphere for the evolution of aerobic life.
- At that time the conditions were harsh on earth so these prokaryotes are used to survive under earth like in oceans. They first produce oxygen in oceans.
- In eukaryotes photosynthesis emerge by endosymbiosis with photosynthetic prokaryotes.
Explanation:
The first one is not true more energy per gram than other biomolecules
The bacterium Escherichia coli