Biodiversity - Topics 6, 7 and 8

2. Hormone in the body that lowers the level of glucose in the blood
3. Natural selection: All organisms produce more ________ than can possibly survive
8. Evolutionary process whereby organisms best adapted to their environment will survive and reproduce
10. Sexual reproduction of cells that results in the production of four new genetically different daughter cells (chromosome count is halved from start to end)
11. Global ________ have been drawn up to protect endangered plants and animals
12. Using or modifying living organisms to make marketable products
13. Technique whereby individual organisms with desirable traits are bred together to develop plants or animals with specific traits (cows that produce large quantities of milk)
14. Collection of seeds from plants that are threatened with extinction
16. Synonym for artificial selection
21. Another term for a genetically modified organism
23. In the last 600 million years there have been _____ major declines in Earth's biodiversity
24. Number of division in meiosis

1. Species who is sensitive to changes in it's environment
4. Natural selection: There is incredible __________ within each species
5. Fish farming
6. The artificial introduction of genes from one organism into the genetic material of another
7. Name of Darwin's boat
9. Number of division in mitosis
10. Asexual reproduction of cells that results in the production of two identical daughter cells (chromosome count is the same at the start and at the end)
15. Insect that was predominantly light coloured prior to the Industrial Revolution
17. The extinction of a species from specific geographic areas
18. Species that no longer exists on Earth
19. Scientist who proposed and developed natural selection
20. Natural selection: Variations that are passed on lead to changes in the ________ characteristics of a species
22. Natural selection: Variations increase the chances of an organism surviving to _________