Answer:
An ecosystem includes the ways these organisms live, feed and reproduce within that particular area. Ecosystems contain many components, but the four main things needed in an ecosystem are plants, animals, rocks and minerals, and water.
 
        
             
        
        
        
It is considered a diploid.
        
             
        
        
        
Answer:
Pag answer og inyooooooooooooooo
 
        
                    
             
        
        
        
The left ventricle must contract with more force in order to send blood to the body's extremities
I hope this helps! I'm happy to answer any other questions you might have :)