Natural selection is the process by which...

Which flexible structure that supports the nerve cord and led to the backbone

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

During binary fission, what events must occur before the cell splits into two new cells?