1.
selection: intentional breeding of plants or animals by humans to promote desirable traits
2.
species: organisms better adapted to their environment tend to survive and produce more offspring
3.
characters: newly evolved traits that differ from the ancestral form
4.
processes: that lead to the formation of species found in one specific geographical area
5.
clocks: technique in evolutionary biology that estimates the timing of lineage-splitting events
6.
variation: genetic differences between individuals or species that do not affect an organism's fitness
7.
world hypothesis: early life forms relied solely on self-replicating RNA
8.
speciation: evolution of new species from a single ancestral population while inhabiting the same geographic region.
9.
organs: organs, tissues or cells in a body which are no more functional the way they were in their ancestral form
10.
advantage: occurs when individuals with two different versions of a gene have a better chance of survival or reproduction than those with two identical versions
