Chapter 1 testing your comprehension

Homework Essay Help

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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