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TLS Online TPP Program

#Question id: 9195

Philippe Bouchet and colleagues conducted a massive survey of marine molluscs on the west coast of New Caledonia. For 20% of the total species that were located and identified, only a single specimen was found. What does that suggest about the diversity of molluscs in this area?

#Unit 9. Diversity of Life Forms
  1. The west coast of New Caledonia is not an appropriate habitat for molluscs.
  2. Many of the species from this 20% are probably rare.
  3. They were not sampling uniformly throughout the area.
  4. Many of the species from this 20% are most likely just dispersing through the are
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TLS Online TPP Program

#Question id: 15766

#Unit 5. Developmental Biology

 If a stem cell divides symmetrically, results
TLS Online TPP Program

#Question id: 23816

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following input device is user-programmable?
TLS Online TPP Program

#Question id: 11080

#Unit 7. System Physiology – Animal

The O2-CO2 diagram here shows a ventilation-perfusion ratio line for the normal lung. Which of the following best describes the effect of decreasing ventilation-perfusion ratio on the alveolar Po2 and Pco2?
TLS Online TPP Program

#Question id: 9157

#Unit 9. Diversity of Life Forms

At 15-30°N, air masses formed over the Pacific Ocean are moved by prevailing westerlies, where they encounter extensive north-south mountain ranges. Which statement best describes the outcome of this encounter between a landform and an air mass?
TLS Online TPP Program

#Question id: 677

#Unit 1. Molecules and their Interaction Relevant to Biology

A helical wheel can be used to show