The honeycreepers are a group of Hawaiian birds with many different species that all evolved from a single species that migrated from the Americas. The speciation of the honeycreepers is most likely to be an example of which pattern of evolution?
a. autopolyploidy
b. allopolyploidy
c. convergent evolution
d. adaptive radiation
e. convergent radiation
Ans: d. adaptive radiation
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The group Lophotrochozoa includes:
A. sponges and octopus. B. annelid worms and mollusks. C. butterflies and moths. D. crustaceans.
Anthrax is a highly infectious disease of animals that can be transmitted to humans who come in direct contact with infected animals or their products.
Answer the following statement true (T) or false (F)
Which of the following is part of the adaptive, rather than the innate, immune response?
A. cilia that sweep bacteria out of the respiratory tract B. the process of inflammation C. antibody production D. fever production E. the complement protein production
A group is considered polyphyletic if
A. all members share homoplastic traits. B. the group does not contain the most recent common ancestor. C. it is the most parsimonious grouping. D. not all descendants of the common ancestor are included. E. all members of the group share a common ancestor.