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TLS Online TPP Program

#Question id: 4961

An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to

#11. Evolution and Behavior

  1. make life on land difficult for aerobic organisms.

  2. change the atmosphere from oxidizing to reducing.

  3. make it easier to maintain reduced molecules

  4. cause iron in ocean water and terrestrial rocks to rust (oxidize).

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TLS Online TPP Program

#Question id: 11332

#10. Ecological Principles

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.
TLS Online TPP Program

#Question id: 16104

#7. System Physiology – Animal

The most potent mechanism for increasing heat production is
TLS Online TPP Program

#Question id: 5059

#5. Developmental Biology

The responding tissue has already been specified and needs only an environment that allows the expression of these traits, process called as
TLS Online TPP Program

#Question id: 15006

#8. Inheritance Biology

Which of the following is not a mechanism for sex determination?
TLS Online TPP Program

#Question id: 4303

#3. Fundamental Processes

Which component is not directly involved in translation?