Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
E. One cell contains more mitochondria than the other.
Answer:
It is the reason the sky is blue
Explanation:
Answer: Arctic Ocean
Explanation:
Because the Arctic Ocean is colder it is more dense
Answer:
Controlling the predator population, wolves.
Explanation:
The method followed for the little smoky herd protection was to control their habitat and the population of the predators in the said habitat, which were wolves.
If I recommend the same method as the best way to protect the selkirk caribou, then i would be suggesting controlling the population of the predators in the area, which are mostly wolves, and in this way protecting the population of the selkirk caribou.
I hope this answer helps.