Across
- 2. all of the rock that makes up Earth
- 3. therapy a way of treating diseases by transferring normal, functional genes into cells to take the place of defective genes
- 5. warming the long-term increase in the average surface temperature of Earth
- 6. the parts of Earth in which organisms are able to live, along with all of Earth’s living things
- 8. species a species that is in serious danger of becoming extinct
- 14. consumption the total amount of a certain resource consumed by all the people in a certain area on Earth
- 15. change a long-term change in climate patterns on Earth, typically including changes in average global temperatures, in precipitation, and in the frequency of severe weather
- 16. modified organism an organism that has had its genetic material, or DNA, modified through genetic engineering
Down
- 1. selection the process through which humans select the organisms that reproduce so that they can obtain offspring with similar desirable traits
- 2. engineering the processes and techniques used to modify the genes of living things in order to change their traits
- 4. all the water on Earth, including that found in oceans, lakes, rivers, groundwater, glaciers, ice caps, and clouds
- 7. capita consumption the average amount of a certain resource consumed by a single person in a certain area on Earth
- 9. describes an animal or plant that has become adapted, through generations of breeding, to live in close association with humans
- 10. insemination a method of animal breeding in which semen, including sperm, the male sex cells, is collected from a male and directly inserted into the body of a female
- 11. pollination the purposeful transfer of pollen from one plant to another in order to breed specific plants together
- 12. husbandry the breeding and care of farm animals
- 13. The layer of gases around the Earth.