Answers edited by Johnny L.

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• What are some examples of organisms in the phylum arthropoda?
  
• What are some examples of organisms in the phylum chordata?
  
• How does surface area to volume ratio affect gas exchange?
  
• What are common mistakes students make with anticodons?
  
• Structurally, how does a polysaccharide differ from a polypeptide?
  
• How many chromosomes are in a cell?