Biology

5. the scientific name for the modern human species (2 words)
8. observable characteristics of an individual
9. Organism that two or more species are descendant from.
10. _________selection is when certain trait are intentionally bred for (usually selected by humans)
12. the remains of a plant or animal preserved in rock
13. How well an organism is able to survive and reproduce
14. _________ structures are similar physical features organisms share, even though the features may serve completely different functions.
15. Scientist known as the father or evolution.
16. a group of organisms that can reproduce fertile offsring together.
19. offspring between 2 species
20. the process by which a species becomes fitted to its environment

1. the amount of variety within a species.
2. name of Darwins Ship.
3. The islands off the coast of S.America Darwin famously visited on his voyage.
4. process whereby organisms better adapted to their environment tend to survive and produce more offspring (2 words)
6. The formation of a new species.
7. The idea that genetic distribution changes over time
11. Type of bird Darwin studied on his voyage.
17. immediate descendant of an organism
18. The two chromosomes that all males have