A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations. Gene flow is any movement of genes from onepopulation to another and is an important source of genetic variation.
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The bear's usually travel alone, but will tolerate each other and travel in groups, you never see them in groups cause they are independent and can survive on their on, and mainly because they don't like sharing their food..:D
Answer:
you won't survive a week without water
Answer:
READ TO THEM TELL THEM ABOUT FAMOUS AUTHORS
Explanation:
LET THEM NO THE GOOD THATS GOING TO COME OUT OF IT
