Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 3622

#Unit 8. Inheritance Biology

Two allelic genes are situated on

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#Question id: 5225

#Unit 11. Evolution and Behavior

Homeotic genes contain a homeobox sequence that is highly conserved among very diverse species. The homeobox is the code for that domain of a protein that binds to DNA in a regulatory developmental process. Which of the following would you then expect?

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#Question id: 4566

#Unit 11. Evolution and Behavior

Which of these naturalists synthesized a concept of natural selection independently of Darwin?

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#Question id: 24157

#General Aptitude

One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, the psychological insights he portrays in both male and female characters are amazing even today.

This paragraph best supports the statement that

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#Question id: 10878

#Unit 7. System Physiology – Animal

The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?