Answer:
B. The native species population would decrease because the nonnative species would be competing for food sources.
Explanation:
This question is describing the effect of invasive species. Invasive species are foreign species i.e. not native to a habitat or area, introduced into the area with the ability to outcompete and negatively affect the native species of that area. 
Invasive species compete with the native species for food, space, mate etc., and tend to outgrow them. Hence, if a nonnative predator (invasive) species were introduced to an area, the native predator species in that area would decrease because the nonnative species would be competing for food sources.
 
        
             
        
        
        
Scientific INFERENCES are logical conclusions that are drawn from scientific observations. :-)
        
                    
             
        
        
        
All the populations living and interacting within a particular geographic area make up a biological (or biotic) community. The living organisms in a community together with their nonliving or abiotic environment make up an ecosystem.
        
             
        
        
        
Answer:
The answer would be B; recombination DNA technology
 
        
                    
             
        
        
        
Answer:
1. Damaged bases are recognized.
2.  Part of a single strand is excised.
3. DNA polymerase I adds correct bases by 5′ to 3′ replication.
4. DNA ligase seals the new strand to existing DNA.
Explanation: