Across
- 4. antibiotics are overused on farms because (though unclear why) it makes the livestock grow _____
- 5. the first organisms to make antibiotics were not humans but were a type of fungus we call ____
- 10. ____ spectrum antibiotics are preferred since they will have fewer side effects
- 11. At the grocery store lab work has revealed antibiotic resistant strains of bacteria on all the raw ___ products
- 12. The scientist Zeresenay Alemseged at the Academy of Sciences named his human ancestor fossil __
- 13. this means giving animals a low dose of antibiotics to potentially prevent, but not to treat a bacterial infection
- 14. a scientist who studies the history of life on Earth through the fossil record.
- 18. are produced naturally by microorganisms and kill or inhibit the growth of other microorganisms, mainly bacteria.
- 21. natural ____ is when certain traits/genes are favored for survival in an environment so the population evolves to be more adapted.
- 23. Cell ____ This outer layer of the bacteria can be impacted by some antibiotics
- 24. this is a form of evidence of evolution that is preserved in the rocks
- 25. In Natural Selection the individuals in a population that are more ______ to the current living conditions will survive and reproduce.
- 26. genetic ____ is when the genetics of a population change (it evolves) due to random events
- 27. Alexander ____ first discovered that mold make antibiotics
- 28. we are using B. ____ as one of our bacteria species
Down
- 1. an antibiotic that stops bacterial growth but does not kill the cells. The human immune system is then needed to clear the infection.
- 2. antibiotics are more specific and only active against certain groups or strains of bacteria
- 3. an individual can not evolve, evolution happens to an entire _____ over time
- 6. in our experiment we are measuring the zones of _____.
- 7. a change in the allele frequency (the genes) in a population
- 8. this is when the DNA of an organism changes and if it is passed to future generations it can cause the populations genetics to change - evolve
- 9. these pathogens cause illnesses like Covid - but can not be treated with antibiotics
- 15. this term for DNA and RNA can also be the target of some antibiotics
- 16. when new individuals enter the population and bring new genes into the gene pool
- 17. these cell parts make protein and can be disrupted by some antibiotics
- 19. we are using E. ____ as one of our bacteria species
- 20. mutations in DNA are _____ and in some cases they will benefit the individual
- 22. the _____ bones of the fossil named Selam told the paleontologist that she walked upright