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TLS Online TPP Program

#Question id: 9159

Which of the following investigations would shed the most light on the future distribution of organisms in temperate regions that are faced with climate change?

#Unit 9. Diversity of Life Forms

  1. Remove, to the mineral soil, all of the organisms from an experimental plot, and monitor the colonization of the area over time in terms of both species diversity and abundance.

  2. Look at the climatic changes that occurred since the last ice age and how species redistributed as glaciers melted, then make predictions on future distribution in species based on past trends.

  3. Compare and contrast the flora and fauna of warm/cold/dry/wet climates to shed light on how they evolved to be suited to their present-day environment.

  4. Quantify the impact of man's activities on present-day populations of threatened and endangered species to assess the rate of extirpation and extinction.
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TLS Online TPP Program

#Question id: 20992

#Unit 12. Applied Biology

Geobacter metallireducens is the first iron-reducing bacterium isolate with anaerobic activity and capable of
TLS Online TPP Program

#Question id: 10319

#Unit 1. Molecules and their Interaction Relevant to Biology

The membranous myelin sheath that surrounds and electrically insulates many nerve cell axons is particularly rich in
TLS Online TPP Program

#Question id: 5842

#Unit 8. Inheritance Biology

 In homologous recombination in E. coli, the protein that moves along a double-stranded DNA, unwinding the strands ahead of it and degrading them, is:
TLS Online TPP Program

#Question id: 12783

#Unit 10. Ecological Principles

Which of these ecosystems accounts for the largest amount of Earth's net primary productivity? 
TLS Online TPP Program

#Question id: 3848

#Unit 3. Fundamental Processes

are small molecules that function as adapters between amino acids and codons.