Answer:
barter trade
Explanation:
because you exchange goods
 
        
             
        
        
        
Bacteria and fungi carry out decompostion of plants and animals
        
             
        
        
        
Answer:
A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote growth of new marrow.
Explanation:
 
        
                    
             
        
        
        
Biochemical control and toxicity after intensity-modulated radiation therapy for prostate cancer. ... Biochemicalfailure was defined as PSA < post-treatment nadir+2.
        
             
        
        
        
Answer: homo sapiens is the only species with a large enough oral cavity and a low enough larynx to allow for speech production. 
<span>One line of evidence that speech only possible for modern homo sapiens is the anatomy of their throat. Speech depends on certain anatomical arrangements and the Homo sapiens is the only species with a large enough oral cavity and a low enough larynx that would allow speech.</span>