One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes. The isolating mechanism is

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#Question id: 2782

#Unit 2. Cellular Organization

Open reading frame (ORF) analysis is not effective in identifying genes in higher eukaryotes because of the presence of

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#Question id: 8863

#Unit 9. Diversity of Life Forms

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 

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#Question id: 4969

#Unit 11. Evolution and Behavior

The snowball Earth hypothesis provides a possible explanation for the

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#Question id: 10556

#Unit 6. System Physiology – Plant

The energy needed to separate molecules from the liquid phase and move them into the gas phase at constant temperature called

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#Question id: 19051

#Unit 13. Methods in Biology

Select the correct statement regarding paper chromatography from the following.