If you are referring to bacteria, and other possible microorganisms, they are found everywhere whether that be the air surrounding us, to abiotic, non living components of the environment, such as water, soil, etc. Generally though, one celled organisms are found in soil. Substantially, it has been noted that a single hand full of soil, contains more microbes than the people in a given country etc.
It depends on where the fuel source is coming from and also how much fuel is there.
Form a question, develop a hypothesis, make observations, conduct controlled experiments, make predictions, collect data, analyze data, develop a conclusion.
Answer:
The correct answer is - option 2, 3, and option 5.
Explanation:
Biological evolution is the change in genetic level of an individual population that is developed or inherit over a period of time and several generations. Changes can be minute, large, can be identified or not noticeable.
In the given question some of the examples of biological evolution are given such as O genotype individuals increases due to the reduction in population size in the small human population, similarly, one species diverged into two different species on the basis of the adaption they developed in island. Sickle cell anemia frequency is also is an important example of the as it decreases over time.
Thus, the correct answer is - option 2, 3, and option 5.