. Why are poor dispersal and pollinator specificity similar in the way they affect the rate of speciation and why do they increase speciation rates? (5) Two taxa both have a similar structure....

. Why are poor dispersal and pollinator specificity similar in the way they affect the rate of speciation and why do they increase speciation rates? (5)

Two taxa both have a similar structure. Describe two ways you could tell if the structure is a homology or analogy. (5)

What is the difference between a homology and a synapomorphy?

What kind of isolating barrier is featured in the Dobzhansky-Muller model of speciation? Is this a different kind of barrier than what you see in allopatric and sympatric speciation (disregarding polyploidy for the sake of simplicity)? Explain
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