It is called the esophagus 
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Answer:
Bacteria play an important role in decomposition of organic materials, especially in the early stages of decomposition when moisture levels are high. In the later stages of decomposition, fungi tend to dominate. Bacillus subtilis and Pseudomonas fluorescens are examples of decomposer bacteria.
Explanation:
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A Peptide bond is formed between two molecules 
Example: when Carboxyl group and amino group form its releasing a water molecule. (H2O) well i hope this help i did my research c: 
        
                    
             
        
        
        
The F1 offspring of Mendel's classic pea plant crosses always looked like one of the two parental varieties because he crossed a homozygous dominant plant with a homozygous recessive plant so each plant received one recessive allele and one dominant allele. All of the plants looked like one plant because the dominant allele overshadowed the recessive allele