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Across 2. __________ Resource Materials and organisms found in the biosphere Page 123 3. Big mouthed shark that eats plankton 5. ________ Magnification (Increasing concentrations of toxic stuff in trophic levels) Page 126 7. Variety of life in an area Page 116 8. Fossil fuels and mineral desposits are considered ____________Resources Page 130 10. Small cat like creature in danger of becoming extinct because of its fur Page 124 14. Inroduced ____________ Often considered invasive Page 128 15. type of white shark featured in the Movie "Jaws" 16. Different enviromental conditions that occur along the boudries Page 126 17. American animal that went from 50 million to a few thousand by hunting Page 124 18. __________ - diphenyl - trichloroethane (DDT) Page 126 19. Ocean Species that has been around 300 Million years 20. One of the birds DDT almost wiped out Page 126 21. The number of different species and the reelative abundance of each one page 117 22. Event in which a large amount of life goes extinct fast Page 122

Down 1. Can be brought into an ecosystem to control Aphid bugs Page 135 3. Number 5 on the Threatened Endemic species list Page 132 4. __________- Pigeon, bird wiped out by hunting in U.S.A.Page 124 6. Resources that are replaced faster then they are consumed Page 130 9. Permanent disapperance of a species Page 116 10. Ezcessive use of a species for economic reasons Page 124 11. Variety of genes in a population Page 116 12. _______- Gradual process of a specvies becoming extinct Page 122 13. Useing resources at a rate that they can be restored Page 130