Changes in polpulations Crossword

What's the name of change in allele frequencies that occurs over time within a population?
What's the name of the change that occurs in our DNA sequence either due to mistakes when the DNA is copied or as the result of environmental factors?
What's the name of the genetic variation study?
What's the name of the process where organisms try to adapt to their environment, tend to survive and produce more offspring?
What's the name of something that had a major change over time?
New species are formed in the course of evolution. How is the process called?
How is a theory of evolution based upon inherited variations in organisms in terms of natural selection and modern population genetics called?
How is called the evolution of new species by small genetic changes over long periods of time?
What's the name of the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change?
how are the variations in the relative frequency of different genotypes in a small population called?
What's the name for the natural selection arising through preference by one sex for certain characteristics in individuals of the other sex?
What's the specific name for the diversification of a group of organisms into forms filling different ecological niches?