In Some Large Groups of Plants, Including Dandelions, Oaks, and Willows

question 19

Multiple Choice

In some large groups of plants, including dandelions, oaks, and willows, the biological species concept is complicated because the process of _____ allows gene flow to occur between good _____ that can be easily distinguished based on appearance.

• A)hybridization; morphospecies
• B)hybridization; ecological species
• C)allopatric speciation; ring species
• D)polyploidy; evolutionary species
• E)polyploidy; ring species

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Definitions:

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The demographic cohort following World War II, typically referring to individuals born between 1946 and 1964.

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