Answer:
4.Cell wall protects the cell whiles organelles are found in the cell itself which is having the cell wall
 
        
                    
             
        
        
        
Parasitic.
you need to know each of these choices meaning so that it will be easier to solve such a problem.
parasitic means it consumes its host and leave it only exhausted adn maybe dead.
autotrophic is like plants, they can make their own food.
saprophytic means is called on an organism, especially fungi, that feeds on dead material only.
        
             
        
        
        
Waves are produced by Earthquakes
        
                    
             
        
        
        
Answer: The predator is an organism that lives by feeding on other organisms, while prey is usually the organism that is hunted or killed for food. 
 
        
             
        
        
        
Answer:
While creating the conservation strategy, there is a need to remember that humans are part of the ecosystem, and are not positioned over the top to govern the entire ecosystem. In this inter-associated system, all are dependent upon each other. Thus, safeguarding the solitary endangered species or looking after the entire ecosystem is equally essential.  
Awareness amongst the public considering the importance of species diversity is required in order to encourage the conservation of all the species. Various ecologists focus more on the entire communities as one does not have complete understanding regarding this.