Questions asked by Hunter

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• Similarities and differences between organ system and organelle ?
  
• What are some criteria that a scientist might use to decide what explanation is the best ?
  
• Why would information on comparative embryology be useful to show that certain bones are homologous?
  
• If a bird that eats grasshoppers moved to the prairie, how would this move affect the natural selection for grasshopper colour ( brown and green ) in wet years? in drought years?
  
• What are the advantages of fruits and seeds in the reproduction of angiosperms?
  
• How does a biological clock stay in time with an organism's environment?
  
• NEED HELP! Using either a fish or a cat describe the path of an oxygen molecule from the air to a mitochondrion in a muscle cell?
  
• How large of a pond is required to harvest 100kg of fish every year? can you explain? If you wanted to harvest only fish greater than 1kg, give two examples of additional information that you would require?