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TLS Online TPP Program

#Question id: 11334

To qualify as a biodiversity hotspot, a region must meet following two strict criteria

#Unit 10. Ecological Principles
  1. Region has at least 1,500 vascular plants as endemics and must have 30% or less of its original natural vegetation
  2. Region has at least 1,500 mammal species as endemics and must have 30% or less of its original natural vegetation
  3. Region has at least 1,500 vascular plants as endemics and must have 50% of its original natural vegetation
  4. Region has at least some threatened plant species and must have 30% or less of its original natural vegetation
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TLS Online TPP Program

#Question id: 14694

#Unit 13. Methods in Biology

Two balls are to be drawn from a bag containing 5 red and 7 white balls. Find the chance that they will both be white
TLS Online TPP Program

#Question id: 9221

#Unit 9. Diversity of Life Forms

The primary difference between the small-population approach and the declining-population approach to biodiversity recovery is that ________.
TLS Online TPP Program

#Question id: 12213

#Unit 7. System Physiology – Animal

The gastric phase of gastric secretion accounts for about 60% of the acid response to a meal. Which of the following can virtually eliminate the secretion of acid during the gastric phase?
TLS Online TPP Program

#Question id: 10737

#Unit 10. Ecological Principles

Which of the following statements is true?
TLS Online TPP Program

#Question id: 12387

#Unit 7. System Physiology – Animal

An elderly patient complains of muscle weakness and lethargy. A urine specimen reveals a Na+ concentration of 600 mmol/L and an osmolarity of 1200 mOsm/L. Additional laboratory tests provide the following information: plasma Na+ concentration = 167 mmol/L, plasma renin activity = 4 ng angiotensin I/ml/hr (normal = 1), plasma antidiuretic hormone (ADH) = 60 pg/ml (normal = 3 pg/ml), and plasma aldosterone = 15 ng/dL (normal = 6 ng/dL). Which of the following is the most likely reason for this patient’s hypernatremia?