EVOLUTION

5. genetic change over time
6. is a selection that the intentional breeding of plants or animals.
7. used by Charles darwin on his voyage.
11. an engineering which refers to artificial manipulation, modification, and recombination of DNA to modify an organism.
12. he said that "individuals in a species are basically identical abd sprecies are unchanging."
13. the first one to used the phrase "survival of the fittest"
15. an island that helped charles darwin to develop his theory of natural selection and also helped investigate evolutionary changes in Darwin's finches.
18. a drift that refers to the theory that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed.
20. a structure that is an organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose.

1. a timescale which isused by scientist to devide the history of the earth into eons and eras.
2. a dating which is used for determining the age or date of organic matter.
3. is a selection whereby organisms better adapted to their environment tend to survive and produce more offspring.
4. small evolutionary changes that accumulate in a population.
8. the study of pastlife.
9. proposed the idea of natural selection
10. a structure that are similar structures that evolved independently in two living organisms to serve the same purpose.
14. in his theory he believed that giraffes once had short necks that got progressively longer as members of each subsequent generation stretched their necks as long as they could.
16. generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.
17. the science of describing, naming, and classifying specie
19. remains of ancient organisms