I believe the answer is: Different scientists use different data for investigation.
I say that because different scientists have different equipment, ideas, and have different methods. I hope I was right and i hope it helped and i wasn't to late to answer this question.
Disease and food shortages would keep the numbers down because of the increase in life.<span />
Answer:
Explanation:
Not many organisms are able to live there. It would’ve extremely hard for an organism who is used to moderate temperature to inhabit an extremely cold habitat known for the extreme temperatures
Hope this helps
