Answer:
The correct answer would be d) summarized data.
The summarized data gives the quick and easy description of all the observations obtained in the experiment.
The data can be summarized using different categories such as the total of the observations, frequency of the observations, mean value, variation et cetera.
It helps in deducing any conclusion from the observations such as the pattern of increase or decrease in the biological activity.
A energy barrier must be overcome.
Genetic variation or coral spawning
Fires in grasslands prevent the growth of shrubs. Plants can survive in these fires because most of them have parts underground, where fire cannot reach. Animals and runners aren't affected by this, because they can leave.
