Bio quarter 3 test crossword
Across
- 3. the rearrangement of DNA sequences by the breakage and rejoining of chromosomes or chromosome segments
- 4. suggests that life on Earth began with a simple RNA molecule that could copy itself without help from other molecules
- 6. when species reproduce many more offspring than can possibly survive
- 8. A mating system in which at least some individuals are more or less likely to mate with individuals of a particular genotype than with individuals of other genotypes
- 10. a mechanism of evolution that works by altering the heritable traits of a population
- 12. symbiosis in which one of the symbiotic organisms lives inside the other.
- 14. symbiotic relationship in which one organism benefits and the other is neither helped or harmed
- 15. diagram depicting patterns of shared characteristics among species
- 18. process by which organisms that are most suited to their environment survive and reproduce most successfully
- 20. change in the genetic material of a cell
- 21. the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring
- 23. sum total of all the different forms of genetic information carried by a particular species, or by all organisms on Earth
- 24. The modern theory of _________ _________ is based on the assumption that on a primitive earth a mixture of simple chemicals assembled into more complex molecular systems, from which, eventually came the first functioning cell(s).
Down
- 1. continued breeding of individuals with similiar characteristics to maintain the derived characteristics of a kind of organism
- 2. difference in DNA among individuals or the differences between populations among the same species.
- 5. the study of similarities and differences in the anatomy of different species
- 7. change over time; the process by which modern organisms have descended from ancient organisms
- 9. difference in DNA among individuals or the differences between populations among the same species.
- 11. classification system in which each species is assigned a two-part scientific name
- 13. It copied the early earth conditions(NO OXYGEN, toxic gases, hot oceanwater, lightning )Inorganic (NON LIVING) compounds transformed into organic building(LIVING) compounds (AMINO ACIDS).Amino acids (proteins) are the buildingblocks of LIFE .
- 16. system of naming and classifying organisms based on shared characteristics and universal rules
- 17. any group of seed plants that bear their seeds within a layer of tissue that protects the seed
- 19. group of anthropoids that include gibbons, orangutans, gorillas, chimpanzees, and humans
- 22. a pattern of behavior in which animals travel from one habitat to another in search of food, better conditions, or reproductive needs
- 23. the movement of genes into or out of a population