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Which floral organ produces pollen?

Lycophytes are unique among land plants in that they __________.

For a patient who is suspected of having a stroke, the most important piece of information that the nurse would obtain is    

Coastal New England and northeastern Canada are sometimes hit by hurricanes primarily because ____.

Which of the following is an innovation associated with seed plants?

In Isoetes, which has a heterosporus life cycle, archegonia are produced by _____________.

All vascular plants have ______. 

Global warming and sea level: a) How has global warming caused global sea level to rise over the past century?  Explain 2 different mechanisms, and why each one lowers sea level.. b) Where are the 2 regions of ice that could cause the largest global sea level rise if they melt?

A flower may have ____ pistil(s) and ____ carpel(s). 

Your 64 year old patient with Charcot Arthropathy presents to the clinic to be fitted with an Orthotic device that he can wear while walking.  Which of the following is the best orthotic for his condition?