I think the most accepted Theory to make up living things is the cell theory.
        
             
        
        
        
Answer:
Ocean currents bring nutrient-rich water into coastal regions.
Explanation:
About 70 percent of our planet is covered by water. The earth has been declared a "blue planet" because it looks blue from space. About 96 percent of this water is the sea or salt water, made up of the ocean that covers the Earth. 
Within these oceans, there are many different types of habitats or environments inhabited by plants and animals, from the freezing of polar ice to tropical coral reefs. Most marine life is found in coastal habitats.
 
        
             
        
        
        
Lithium, some antibiotics, ingesting large amount of  penicillin <span />
        
             
        
        
        
I don't know the options, but if more then one lizards live in grass and have similar characteristics then I do believe it would "Adaptation" since they are adapting to live in that environment... my apologies if I am incorrect
Hope this helps!!!!