What type of rock is pumice? Describe how a pumice rock is likely to change over a long period of time.

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

Which is one example of a phenotypic change that is not genetic

The activity of the modern sample is 1.10 bq . how long does that measurement take?