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Home Q & A Board Biology-Related Homework Help General Biology Trending Topics
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sunshine938 sunshine938
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6 years ago
An adult axolotl salamander (Ambystoma mexicanum) retains the juvenile characteristics of external gills and a tail fin.
  This is an example of what mechanism?
  a. allometry
  b. hybridization
  c. preadaptation
  d. paedomorphosis
  e. adaptive radiation

Question 2

A newly evolved species may take over an ecological role or ecological niche that is already occupied, provided that
  the new species has:a.
   the ability to alter or change the environmental parameters.
  b. fitness that is almost as high as the fitness of the original species.
  c. the ability to grow to a larger size, thus providing it with a selective advantage.
  d. features that make it competitively superior to the original occupant of that niche.
  e. the ability to evolve through natural selection, as opposed to the original occupant, who cannot continue to
  evolve.
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RedishRedish
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6 years ago
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sunshine938 Author
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#2
6 years ago
Thank you so much for providing this
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