The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.

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#Question id: 11984

#10. Ecological Principles

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by

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#Question id: 13203

#6. System Physiology – Plant

Intermediary cells are specialized companion cells that are involved in phloem loading in the plant. Which of the following pathway that have included the intermediary-type companion cells?

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#Question id: 4366

#3. Fundamental Processes

Which of the following is the correct order of addition of general transcription factors to the initiation complex?

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#Question id: 23315

#Aptitude

A child is a back -bencher and is unable to watch the black-board clearly, therefore he stands, see and sit repeatedly. It disturbs the nearby classmates, what inference will you draw with reference to the student's difficulty?

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#Question id: 10150

#6. System Physiology – Plant

Light controls the assembly of chloroplast enzymes into supramolecular complexes one of the enzyme such as Glyceraldehyde-3-P dehydrogenase, this enzyme acivity is dependent on