Answer: b dead organisms And waste are recycled throughout the tropic levels.
Explanation:
 
        
                    
             
        
        
        
During metaphase 1, the spindle fibers attach to the centromeres of each chromosome. Both kinetochores of each sister chromatid pair are turned toward the same pole. And 2 members of each chromosome pair (sister chromatids) are pulled into each new cell during anaphase 1.
I think the answer you want is they are called chromatids.
        
             
        
        
        
Answer: answer
explain : [One glucose and oxygen ]
        
             
        
        
        
We do science because if we didn't we would not know a lot of the things we do know now.
 
        
                    
             
        
        
        
Answer:
 mutualistic 
Explanation:
The interaction between two organisms in which both the organism gets benefitted from each other is called a mutualistic relationship. This mutualistic relationship is seen in the concept of endosymbiosis.
According to the endosymbiotic theory chloroplast and mitochondria are evolved by engulfment of different bacteria by ancestral cells. Then these bacterial remained in a mutualistic relationship with each other and the ancestral cell evolved into a eukaryotic cell.
So as mitochondria and chloroplast live with a symbiotic relationship with eukaryotic cells, therefore, it is considered as mutualistic relationship.