Community structure is influenced by many factors, including abiotic factors, species interactions, level of disturbance, and keystone species, play particularly important roles in determining their communities’ structure.
        
             
        
        
        
Answer:
1. ocular lens,2. eyepiece,3. arm,4.focus knob,5.objective lens,6,stage,7,light source,8 coarse knob
Explanation:
 
        
                    
             
        
        
        
Answer:
Does the specimen have spots on its body?
Does the specimen have more than three gills?
Does the specimen often eat shrimp instead of other fish?
Explanation:
those are the answeres exept the last one
 
        
             
        
        
        
Gravity Probe B showed this to be correct, in 1905 Einstein determined that all laws of physics are the same for all non accelerating observers <span />