TLS Online TPP Program

#Question id: 11477


How could you genetically modify an animal so that it would distinguish more shades of green?

#Unit 7. System Physiology – Animal
  1. Induce genes to produce a greater number of cone cells in the fovea.
  2. Introduce genes for different opsins that respond in the green region of the spectrum.
  3. Introduce genes to produce green fluid in the eyeball, because green fluids will not absorb green light.

  4. Induce increased production of cGMP to increase opening of cGMP-gated sodium channels.
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TLS Online TPP Program

#Question id: 12573

#Unit 10. Ecological Principles

Which of the following conditions is the most likely indicator of a population in an extinction vortex? 

TLS Online TPP Program

#Question id: 12574

#Unit 10. Ecological Principles

According to the small- population approach, what would be the best strategy for saving a population that is in an extinction vortex?

TLS Online TPP Program

#Question id: 12575

#Unit 10. Ecological Principles

All of the following are adaptations that permit the camel to be active by day in the desert EXCEPT 

TLS Online TPP Program

#Question id: 12576

#Unit 10. Ecological Principles

Estimates of current rates of extinction

TLS Online TPP Program

#Question id: 12577

#Unit 10. Ecological Principles

During  a  field  trip,  an  instructor  touched  a  moth  resting  on  a  tree  trunk.  The  moth  raised  its  forewings  to  reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings. One student answered that sensory  receptors  had  fired  and  triggered  a  neuronal  reflex  culminating  in  the  contraction  of  certain  muscles.  A second student responded that the behaviour might frighten predators. Which statement best describes these explanations?

TLS Online TPP Program

#Question id: 12572

#Unit 10. Ecological Principles

Use what you know about ecosystem stability and the information provided in the graph below to answer the following question.
Which community (a-e) would likely be the most biodiverse?