Science Unit 20 Quiz Crossword
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
 
 
Down: 1) A regular amount of a renewable resource that can be harvested without reducing future supply3) The illegal killing of wildlife4) The breaking of a habitat into smaller pieces5) The process of cutting down all of the trees in an area.7) A species that could become endangered in the future.13) An area with a large population of valuable ocean organisms. Across: 2) A change to the environment that has a negaive effect on living things4) The loss of a natural habitat.6) The number of different species in an area.8) A resource that is not replaced as it is used9) The mating of endangered animals10) The practice of raising fish and other water organisms11) A resource that is naturally replaced in a short period of time12) A species that influences the survival of many other species14) The process of cutting down only some of the trees in an area.15) A species in danger of becoming extinct
 

 

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