Which of the following is the smallest single component of a typical soil?

gases

minerals

moisture

organic material

The answer is D. Organic material this is because soil is made up of 45% of minerals 50% of water and air while there is only 5% of organic material in the soil making it the smallest single component of a typical soil.

format change of dna.  

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.