3. What is the change in a population's allelic frequency due to chance? natural selection
gene pool
genetic drift
allelic frequency

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

How does human environment effect the biosphere

Why do oceanic plates tend to subduction when colliding with a continental plate