Males of different species of the fruit fly Drosophila that live in the same parts of the Hawaiian Islands have different elaborate courtship rituals. These rituals involve fighting other males and making stylized movements that attract females. What type of reproductive isolation does this represent?

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#Question id: 28227

#Unit 5. Developmental Biology

At what condition stem cells may contribute to aging?

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#Question id: 4461

#Unit 3. Fundamental Processes

According to some experiments, during initial transcription, the polymerase remains stationary on the promoter, unwinds downstream DNA, and pulls that DNA into itself, which model is this?

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#Question id: 2271

#Unit 1. Molecules and their Interaction Relevant to Biology

Depolymerization of microtubules is inhibited by

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#Question id: 2326

#Unit 2. Cellular Organization

The movement of chromosomes during mitosis is due to the:

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#Question id: 9265

#Unit 9. Diversity of Life Forms

To apply parsimony to constructing a phylogenetic tree,