Answer:
they all have to adapt to there new ecosystem
Radiometic dating can be best described as <span>a technique to measure the relative age of rocks based on the radioactive decay of isotopes within the rocks</span>
The answer for this question is C
It helps keep things organized and back up your answer
As you didn't state the possible answers I am acting on previous knowlage so don't hate me if its wrong. I would have to say acetlyne.