Chapter 1 testing your comprehension

please answer each question in it entirity

  • Differentiate an ion from an isotope?
  • What substances are produced by photosynthesis? By cellular respiration?
  • What role do each of the following play in the carbon cycle?
                        
                           
                               Cars
                           
                           
                               Photosynthesis
                           
                           
                               The oceans
                           
                           
                               Earth’s crust
  • For a conservation biologist interested in sustaining populations of the organisms below, why would it be helpful to take a landscape ecology perspective? Explain your answer in each case.
                        
                           
                               A forest-breeding warbler that suffers poor nesting success in small fragmented forest patches
                           
                           
                               A bighorn sheep that must move seasonally between mountains and lowlands
                           
                           
                               A toad that lives in upland areas but travels cross-country to breed in localized pools each spring.

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