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TLS Online TPP Program

#Question id: 9235

Agricultural lands frequently require nutrient augmentation because ________.

#9. Diversity of Life Forms

  1. nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides

  2. the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested

  3. land that is available for agriculture tends to be nutrient-poor
  4. cultivation of agricultural land inhibits the decomposition of organic matter
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TLS Online TPP Program

#Question id: 19217

#12. Applied Biology

The T-DNA is transferred as which type of molecule from the Ti plasmid, enters the plant cell.
TLS Online TPP Program

#Question id: 10241

#10. Ecological Principles

In an Asian rice paddy, carp eat decaying material from around the base of rice plants while a snail scrapes algae from the leaves, stems, and roots of the same plant. They can survive at the same time in the same rice paddy because they
TLS Online TPP Program

#Question id: 10821

#10. Ecological Principles

What factor does not contribute to the rapid loss of nutrients from terrestrial ecosystems?
TLS Online TPP Program

#Question id: 15562

#12. Applied Biology

Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.
TLS Online TPP Program

#Question id: 4381

#3. Fundamental Processes

All the following statements about heterochromatin are true except: