Answer:I’m not sure About natural selection but the relation of biology and evolution is the adaptation of other species through the years for example it has been a theory that the grizzly bear an black bear descended from the polar bear when a number of polar bears started living in warmer areas they had trouble living in there new environment because they were made for the cold but after many years of living there their offspring started to have different quality’s that made them more suitable to survive the environment like different colored fur and different claws this can be considered a form of evolution
Explanation:
Answer:
B - between 100 and 500 million year old.
Explanation:
Because X is older than the 100 layer but younger than the 500 layer according to the position in the picture.
Answer:
sorry I don't understand your question
