I believe the answer is b 
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Answer:
an enzyme produced chiefly by certain bacteria, having the property of cleaving DNA molecules at or near a specific sequence of bases.
 
        
             
        
        
        
Since homologous means same structure different functions, it shows that animals evolve to have the same structure as their ancestors but, have different uses to the part
        
                    
             
        
        
        
When currents happen little waves are being pushed toward the shore or away from the shore. When being pushed toward the shore cool air is being blown toward land making the air cooler. for exaple the air near a beach will be cooler at night because of ocean breeze 
  
        
                    
             
        
        
        
Answer:
The animal agriculture industry is killing our environment and putting every species on this planet at risk of extinction. The animal agriculture industry's pollution of our air, water and land, along with deforestation and soil degradation, all contribute to habitat loss and species extinction.
Explanation: