Answer:Tissue
Explanation:Heart muscle cells beat in unison to push blood in timing with the rhythm of the heart, at the direction of nearby nerve cells. These muscle cells could best be called. Tissue. As cell division proceeds, the cells increase in number, but also become specialized in structure and function.
 
        
             
        
        
        
It's the lack of milk in a person's diet many people in Africa can't afford milk. That's the best I can do, I don't know the subject very well
        
             
        
        
        
Answer:
What abiotic aspects of an ecosystem can be affected by biotic aspects?
animals digging in the ground adding to soil erosion
Explanation:
Abiotic factor that could be affected by biotic factor entails the digging of ground which aids soil erosion.