What is natural selection?
A) principal mechanism behind evolutionary change in the biosphere
B) species that have died out and no longer exist
C) remains and indications of former life that are preserved in rocks
D) structures built from layer after layer of muddy sediment trapped by mats of bacteria
E) an advantageous trait that helps an organism live longer
Correct Answer:
Verified
Q25: Where are most of Earth's freshwater resources
Q26: What is the water cycle?
A) an immense
Q27: Which component is part of the biosphere?
A)
Q28: Which of the following could be considered
Q29: When did life begin?
A) 4.5 billion years
Q31: Match the following options to its correct
Q32: Match the following options to its correct
Q33: Match the following options to its correct
Q34: Match the following options to its correct
Q35: Which of the following is an example
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