Answer:1%
Explanation:
The correct answer is less than 8% of DNA is active. But here's only 3options are available so the answer is 1%. Other DNA is in an inactive form. Only 8% of DNA is performing functions of the body actively.
If I'm not mistaken id say its small temperature changes
If I am correct I believe this is secondary succession
Secondary succession is the series of community changes which take place on a previously colonized, but disturbed or damaged habitat. Examples include areas which have been cleared of existing vegetation (such as after tree-felling in a woodland) and destructive events such as fires.