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Home Q & A Board Biology-Related Homework Help General Biology
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petrajanejob petrajanejob
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6 years ago
/The land mass labeled 1 in Figure 18-2 is called:a.
   Eurasia.
  b. Laurasia.
  c. Antarctica.
  d. Gondwana.
  e. Pangea.



Question 2

Australia has distinctive organisms, such as egg-laying mammals and pouched mammals (marsupials),
  because they have:a.
   an unusual climate that has triggered natural selection.
  b. selective conditions that have been relaxed.
  c. been separated and isolated from other land masses for a long period of time.
  d. experienced a significantly slower rate of evolutionary change.
  e. fewer species of organisms than most continents.
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rimaaazzzrimaaazzz
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