In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce often "lean over" (that is, they are displaced from their normal vertical alignment). What is the most likely explanation for the unusual growth of these forests in this marginal habitat?

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#Question id: 3864

#SCPH28 | Zoology

RNA polymerase:

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#Question id: 10930

#I Life Science/ Life Sciences Group – I-V

A 34-year-old man with schizophrenia has had chronic fatigue for 6 months. He has a good appetite, but has refused to eat vegetables for 1 year because he hears voices saying that vegetables are poisoned. His physical and neurological examinations are normal. His hemoglobin level is 9.1 g/dL, leukocyte count is 10,000/μl3, and MCV is 122. Which of the following is the most likely diagnosis?

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#Question id: 354

#SCPH06 I Botany

You have a freshly prepared 0.1 M sucrose (molecular mass 342) solution, which means ________.

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#Question id: 14767

#SCPH01 Biochemistry

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#Question id: 4575

#SCPH06 I Botany

Monkeys of South and Central America have prehensile tails, meaning that their tails can be used to grasp objects. The tails of African and Asian monkeys are not prehensile. Which discipline is most likely to provide an evolutionary explanation for how this difference in tails came about?